Particles q1, 92, and q3 are in a straight line.


Particles q1 = -1. 60 x 10-19 C, 92 = +1. 60 x 10-19 C,


and q3 = -1. 60 x 10-19 C. Particles 91 and q2 are


separated by 0. 001 m. Particles q2 and q3 are


separated by 0. 001 m. What is the net force on 92?


Remember: Negative forces (-F) will point Left


Positive forces (+F) will point Right


-1. 60 x 10-19 C


+1. 60 x 10-19


-1. 60 x 10-19 C


91


+ 92


93


0. 001 m


0. 001 m

Answers

Answer 1

The net force on particle 92 is zero, which means it is in equilibrium and not accelerating.

The electric force between charged particles can be calculated using Coulomb's law, which states that the force is proportional to the product of the charges and inversely proportional to the square of the distance between them.

To find the net force on particle 92, we need to calculate the electric forces acting on it due to the other particles in the line. The force on particle 92 due to particle 91 can be calculated using Coulomb's law:

F_92,1 = kq_1q_2 / r²

            = (9x10⁹ Nm²/C²) * (-1.60x10⁻¹⁹ C) * (1.60x10⁻¹⁹ C) / (0.001 m)²

            = -2.30x10⁻¹⁴ N

The force on particle 92 due to particle 93 can also be calculated using Coulomb's law:

F_92,3 = kq_2q_3 / r²

            = (9x10⁹ Nm²/C²) * (-1.60x10⁻¹⁹ C) * (-1.60x10⁻¹⁹ C) / (0.001 m)²

            = 2.30x10⁻¹⁴ N

Since the forces due to particles 91 and 93 are equal in magnitude but opposite in direction, they cancel out each other. As a result, the net force acting on particle 92 is zero.

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Related Questions

Terry is out with friends and sees a man who appears to be struggling with mental illness. He is ranting and waving his arms around in a very antagonistic way. He is getting more agitated and pulls out a knife and starts jabbing it like he is attacking someone. Should Terry call 9-1-1?

Answers

Yes, Terry should call 9-1-1 immediately because the man is mentally ill.

What should Terry do?

Based on the statement, if Terry is out with friends and sees a man who appears to be struggling with mental illness. And the man is ranting and waving his arms around in a very antagonistic way. He is also getting more agitated and pulls out a knife and starts jabbing it like he is attacking someone.

The man's behavior is dangerous and poses a potential threat to himself and others around him. The fact that he has pulled out a knife and is waving it in a threatening manner indicates that he may be a danger to himself or others.

In this situation, it is important to prioritize everyone's safety and call for emergency services to intervene and help the man.

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Explain why group 8 elements of the periodic table are referred to as group 0

Answers

They have zero reactivity, they cannot bond with other atoms.

A candy distributor needs to mix a 20% fat-content chocolate with a 60% fat-content chocolate to create 100 kilograms of a 52% fat-content chocolate. How many kilograms of each kind of chocolate must they use?

Answers

By using,  the system of equations, the candy distributor must use: 20 kilograms of the 20% fat-content chocolate and 80 kilograms of the 60% fat-content chocolate to create 100 kilograms of a 52% fat-content chocolate.

To create 100 kilograms of a 52% fat-content chocolate, the distributor needs to mix a 20% fat-content chocolate with a 60% fat-content chocolate. Let's use the variables x and y to represent the amounts of the 20% and 60% chocolates, respectively.

The sum of the two chocolates must equal 100 kilograms:
x + y = 100

The fat-content percentage must equal 52%:
0.20x + 0.60y = 0.52 * 100

Now, we'll solve the system of equations. From the first equation, we can express y as:
y = 100 - x

Substitute this expression for y in the second equation:
0.20x + 0.60(100 - x) = 52

Expand and simplify:
0.20x + 60 - 0.60x = 52

Combine like terms:
-0.40x = -8

Divide by -0.40 to find x:
x = 20

Now that we have x, we can find y:
y = 100 - 20 = 80

So, the candy distributor must use 20 kilograms of the 20% fat-content chocolate and 80 kilograms of the 60% fat-content chocolate to create 100 kilograms of a 52% fat-content chocolate.

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Suppose you are sitting in a boat that is motionless on the water. What happens when someone standing on a dock nearby tosses a watermelon to you, assuming that you catch it? Explain this outcome according to the law of the conservation of momentum.

Please Show work. I need help.

Answers

According to the law of conservation of momentum, the total momentum of a system remains constant if no external forces act on it. In this scenario, the boat and the person are initially at rest, so their total momentum is zero.

When the person on the dock tosses the watermelon to you, the watermelon will have an initial momentum in the direction of the throw. Since there are no external forces acting on the system, the total momentum of the system must still be zero after the toss.

To maintain the total momentum at zero, you and the boat must acquire an equal but opposite momentum to balance out the momentum of the watermelon. As a result, the boat will move backward in response to the forward momentum acquired by you when you catch the watermelon.

This outcome demonstrates the law of conservation of momentum in action, where the total momentum of the system (you, the boat, and the watermelon) remains constant before and after the toss.

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The moon revolves around the earth once every 27. 3 days. Calculate the angular

velocity of the moon.

albs TIS.

a. 2. 0 x 10-5 rad/s

elbst Ad

b. 4. 2 x 10-6 rad/s

albs7 TE

c. 3. 3 x 10-5 rad/s

albs Tab

d. 2. 7 x 10-6 rad/s

diboley sitranslatai JSW. 01

n of tho moon

Answers

The angular velocity of the moon is approximately [tex]2.7 \times 10^{-6[/tex] rad/s, which is the answer (d).

To calculate the angular velocity of the moon, we first need to understand what angular velocity is. Angular velocity is defined as the rate of change of angular displacement with respect to time. In simpler terms, it is the speed at which an object is rotating or moving in a circular path.

In this case, the moon is moving in a circular path around the Earth, so we can use the formula for angular velocity:

ω = θ / t

where ω is the angular velocity, θ is the angular displacement, and t is the time taken for one complete revolution.

We know that the time taken for one complete revolution of the moon around the Earth is 27.3 days. To convert this into seconds, we multiply by 24 hours in a day, 60 minutes in an hour, and 60 seconds in a minute:

t = 27.3 x 24 x 60 x 60 = 2,360,320 seconds

Now we need to find the angular displacement of the moon in one complete revolution. Since the moon moves in a circular path, its angular displacement is equal to the angle subtended by its path at the center of the earth. This angle is equal to 2π radians since the circumference of a circle is 2π times its radius (in this case, the distance from the moon to the center of the earth).

θ = 2π radians

Now we can substitute these values into the formula for angular velocity:

[tex]\omega = \frac{\theta}{t} = \frac{2\pi}{2{,}360{,}320} \approx 2.7\times 10^{-6}\ \mathrm{rad/s}[/tex]

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when light enters a material of higher index of refraction, its speed select one: a. first increases then decreases. b. increases. c. first decreases then increases. d. decreases.

Answers

When light enters a material of higher index of refraction, its speed decreases. Option D is correct.

This phenomenon is known as refraction and is a result of the change in the speed of light as it passes through a material with a different refractive index. The refractive index is a measure of how much a material can bend light, compared to the speed of light in a vacuum. When light passes from a medium with a lower refractive index, such as air or vacuum, to a medium with a higher refractive index, such as water or glass, it slows down and bends towards the normal line, an imaginary line perpendicular to the surface of the material.

The amount of refraction that occurs depends on the angle of incidence, or the angle at which the light strikes the surface, as well as the difference in refractive indices between the two materials. The change in speed and direction of the light as it passes through a material of higher refractive index can be described by Snell's law. Option D is correct.

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Claim how it would be possible to predict the speed that a 2000 kg car full with riders will reach before it’s ever placed on the track. Cite evidence by using the appropriate formulas and reasoning by solving them in order to calculate the speed of the car at the bottom of the first hill

Answers

We can predict that the car full of riders will reach a speed of 28.0 m/s at the bottom of the first hill based on the principles of conservation of energy.

It is possible to predict the speed that a 2000 kg car full with riders will reach before it's ever placed on the track using the principles of conservation of energy. According to the law of conservation of energy, the total energy in a system remains constant, and it can be converted from one form to another.

To calculate the speed of the car at the bottom of the first hill, we can use the conservation of energy equation, which states that the initial potential energy (PEi) of the car is equal to the final kinetic energy (KEf) of the car.

PEi = KEf

[tex]mgh = 1/2mv^2[/tex]

Where m is the mass of the car, g is the acceleration due to gravity, h is the height of the hill, and v is the velocity of the car.

Solving for v, we get:

[tex]v = \sqrt{(2gh)}[/tex]

Using the given values of m = 2000 kg, h = 40 meters, and g = 9.81 m/s², we can calculate the velocity of the car at the bottom of the first hill:

[tex]v = \sqrt{(2gh)} = \sqrt{(2 \times 9.81 \;m/s^2 \times 40 m)} = 28.0 m/s[/tex]

Therefore, we can predict that the car full of riders will reach a speed of 28.0 m/s at the bottom of the first hill based on the principles of conservation of energy.

In summary, by using the conservation of energy equation, we can predict the speed of the car at the bottom of the first hill based on its mass and the height of the hill. We found that the car full of riders will reach a speed of 28.0 m/s using this method.

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Ou pull straight up on the string of a yo-yo with a force 0.235 n, and while your hand is moving up a distance 0.18 m, the yo-yo moves down a distance 0.70 m. the mass of the yo-yo is 0.025 kg, and it was initially moving downward with speed 0.5 m/s and angular speed 124 rad/s. what is the increase in the translational kinetic energy of the yo-yo

Answers

The increase in the translational kinetic energy of the yo-yo is 0.0423 J.

To find the increase in the translational kinetic energy of the yo-yo, we need to calculate the work done on the yo-yo by the force applied by the hand.

The work done is given by: W = Fdcos(theta), where F is the force applied, d is the distance moved, and theta is the angle between the force and the displacement.

In this case, theta is 180 degrees since the force and displacement are in opposite directions.

Substituting the given values, we get:

W = (0.235 N)*(0.18 m)*cos(180 deg)

W = -0.0423 J

Since the yo-yo initially had kinetic energy due to its downward motion, the work done by the hand increases the yo-yo's total kinetic energy. The increase in kinetic energy is given by: ΔK = -W

Substituting the value of W, we get: ΔK = 0.0423 J

Therefore, the increase in the translational kinetic energy of the yo-yo is 0.0423 J.

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Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that have on the electron?
A. The electron releases energy in the form of light.
B. The electron absorbs energy in the form of light.
The electron retains its energy without any change.
D. The electron transfers its energy to other electrons.

Answers

The correct answer is A. When an electron falls from a higher energy level to a lower energy level, it releases energy in the form of light. This process is called spontaneous emission.

If the index of refraction of a material is 2, this means that light travels Group of answer choices 2 times as fast in the material as it does in air. 1/2 as fast in air as it does in the material. 2 times as fast in air as it does in vacuum. 2 times as fast in vacuum as it does in the material. 2 times as fast in the material than it does in vacuum

Answers

If the index of refraction of a material is 2, it means that light travels half as fast in air as it does in the material. The index of refraction is a measure of how much a material slows down light as it passes through it.

A higher index of refraction indicates that light is slowed down more, while a lower index of refraction implies that light passes through the material more easily.

In the case of a material with an index of refraction of 2, light moves at half its speed in air when it traverses the material. For instance, if light travels at a speed of 300,000 km/s in a vacuum or air, it would only travel at a speed of 150,000 km/s when passing through a material with an index of refraction of 2.

It is crucial to recognize that the speed of light remains constant, but its velocity and direction change when it encounters materials with different indices of refraction. Understanding the behavior of light in various materials is fundamental in fields such as optics, physics, and engineering.

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3. Observe a residential street for a half hour, and keep a log of potential hazards that you


notice (examples include children playing in the street or a vehicle backing out of a


driveway). If you were driving at the time, what actions would you take to reduce the risk ofpotential hazards? Answer the question by naming at least five potential hazards and writing


would avoid three of them in at least three complete sentences

Answers

Five potential hazards that could encounter on a residential street are, Children playing on the street or sidewalks without adult supervision. Vehicles parked haphazardly on the side of the street, obstructing visibility. Pets roaming freely or off-least .Pedestrians crossing the street unexpectedly or without looking both way. Bicyclists or skateboarders weaving in and out of traffic

If I were driving at the time, I would take several actions to reduce the risk of potential hazards. Firstly, I would slow down and remain alert to any signs of movement or activity on the street, particularly in areas where children or pets may be present. Secondly, I would maintain a safe distance from other vehicles and obstacles, such as parked cars, to ensure that I have adequate time to stop or maneuver if necessary. Thirdly, I would signal my intentions clearly and use my horn sparingly to alert other drivers or pedestrians to my presence. To avoid hazards, I would take the following actions:

Children playing on the street or sidewalks without adult supervision: I would avoid driving too fast or recklessly on residential streets and keep an eye out for any signs of children playing in the area. I would also look out for any signs or warnings indicating that children may be present, such as "slow down" signs or school zones.Pets roaming freely or off-leash: I would avoid speeding or driving aggressively on residential streets to reduce the risk of colliding with a pet. I would also keep a safe distance from any pets that are wandering in the street and avoid honking my horn, which could startle or frighten them.

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Pls help 20 points



If you push the head of a nail against your skin and then push the point of the same nail against your skin with the same force, the point of the nail may pierce your skin while the head of the nail will not. Considering that the forces are the same, what causes the difference?

Answers

The difference between the head and point of a nail when pushed against your skin with the same force is due to the difference in pressure. Pressure is calculated as force divided by area (P = F/A).

The point of the nail has a smaller area, which results in higher pressure, allowing it to pierce your skin. On the other hand, the head of the nail has a larger area, resulting in lower pressure, and therefore does not pierce your skin.

Pressure is defined as the force applied per unit area. It can be calculated using the equation P = F/A, where P represents pressure, F represents the force applied, and A represents the area over which the force is distributed.

When a nail is pushed against your skin with the same force, the pressure exerted by the nail depends on the area of contact between the nail and your skin.

The point of the nail has a smaller area compared to the head. Since the force applied remains the same, the pressure exerted by the nail point is higher because the force is distributed over a smaller area. This higher pressure allows the point of the nail to pierce through your skin.

On the other hand, the head of the nail has a larger area of contact. When the same force is applied, the pressure exerted by the nail head is lower because the force is distributed over a larger area. This lower pressure is why the head of the nail does not pierce your skin.

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two skaters on a frictionless pond push apart from one another. one skater has a mass of 80 kg and the other a mass of 60 kg. after some time the two skaters are a distance 10 m apart. how far has the lighter skater moved from her original position?

Answers

The lighter skater has moved 10 meters in the opposite direction from the heavier skater.

The skaters are initially at rest on the frictionless pond, so the total momentum of the system is zero. When they push away from each other, their momenta change, but the total momentum of the system remains zero. This is known as the conservation of momentum. Let's denote the initial position of the lighter skater as x1 and the final position as x2. The heavier skater moves in the opposite direction, so their final position is x2 + 10 m.

Using the conservation of momentum, we can write:

(m1)(v1) + (m2)(v2) = 0

where m1 and m2 are the masses of the skaters, and v1 and v2 are their velocities. Since the skaters were initially at rest, we have v1 = 0. Solving for v2, we get:

v2 = -(m1/m2) * v1 = 0

So the final velocity of the skaters is zero. The distance traveled by the lighter skater is equal to the distance between their initial and final positions, which is:

x2 - x1 = -10 m

As a result, the lighter skater has travelled 10 meters opposite the heavier skater.

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What is an infrared camera simple definition

IN OWN WORDS!!!!!!!!!!

explain like you would to a kid pls

Answers

Answer:

An infrared camera – also called IR camera, thermal means heat it can track your heat camera or thermal camera – is a measuring  by instrument it means its a measuring tool

used for non-contact measurements of the surface temperature of objects.

Explanation:

kids are oof

What would the acceleration of a 34kg child on a bike be if they were being pushed with Fa=57N

Answers

The acceleration of the 34 kg child on a bike when being pushed with a force of 57 N would be approximately: 1.68 meters per second squared.

To calculate the acceleration of a 34 kg child on a bike when being pushed with a force of 57 N, you can use Newton's second law of motion. Newton's second law states that the force applied on an object is equal to the mass of the object multiplied by its acceleration (F = ma).

In this case, the applied force (Fa) is 57 N, and the mass (m) of the child is 34 kg. To find the acceleration (a), you can rearrange the formula as follows:

a = Fa/m

Now, plug in the given values:

a = 57 N / 34 kg

a ≈ 1.68 m/s²

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Which landform will occur in a subduction zone where oceanic plates collide?.

Answers

When oceanic plates collide in a subduction zone, one plate is forced beneath the other, which results in the formation of a variety of landforms.

One of the most common landforms that can occur in a subduction zone is a volcanic arc. This is formed when magma rises from the subducting plate and forms a chain of volcanic islands or mountains on the overriding plate.

Examples of volcanic arcs include the Andes in South America and the Cascade Range in the western United States.

Another type of landform that can occur in a subduction zone is a deep ocean trench. This is formed when the subducting plate plunges deep beneath the overriding plate and creates a narrow, steep-sided depression in the ocean floor.

Examples of deep ocean trenches include the Mariana Trench in the Pacific Ocean and the Peru-Chile Trench in the southeastern Pacific Ocean.

In addition to volcanic arcs and deep ocean trenches, subduction zones can also create uplifted regions known as accretionary wedges.

These are formed when sediments and other materials accumulate on the overriding plate as a result of the subduction process. Over time, these materials become compacted and uplifted to form a thick, wedge-shaped mass of rock.

Overall, the specific type of landform that forms in a subduction zone where oceanic plates collide will depend on a variety of factors, including the angle of the subduction zone, the composition of the plates involved, and the amount of time that has passed since the collision began.

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The pressure in the cylinder of amotor cycle engine is 600000Pa. This acts on apiston with an area of o. Oo3m2. What is the force on the piston in newton?

Answers

The pressure in the cylinder of amotor cycle engine is 600000Pa. This acts on apiston with an area of o. Oo3m2. The force on the piston in newtons is 1800N

To find the force on the piston in newtons, we need to use the formula F = PA, where F is the force, P is the pressure, and A is the area.

Given that the pressure in the cylinder of the motor cycle engine is 600000Pa and the piston has an area of 0.003m2, we can plug these values into the formula:

F = 600000Pa x 0.003m2
F = 1800N

. This means that the pressure in the cylinder is able to exert a force of 1800N on the piston, which in turn helps to move the engine and generate power for the motor cycle.

It is important to note that the pressure and force involved in the functioning of a motor cycle engine are critical to its performance and efficiency. Proper maintenance and tuning of the engine are essential to ensure that the pressure and force are optimized for maximum power and durability.

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An astronaut on the surface of a large spherical asteroid fires a 5. 0 kg cannonball horizontally from a cannon. The asteroid has a diameter of 210 km , and has an acceleration due to gravity at its surface equal to one twelfth of the value on Earth

Answers

An astronaut on the surface of a large spherical asteroid fires a 5. 0 kg cannonball horizontally from a cannon, acceleration due to gravity at its surface equal to one twelfth of the value on Earth: the speed of the cannonball as it leaves the cannon, v ≈ 1410 m/s

Part A: To calculate the speed of the cannonball (v) for it to travel completely around the asteroid and return to its original location, we can use the formula for orbital velocity: v = sqrt(GM/R), where G is the gravitational constant, M is the mass of the asteroid, and R is the radius.

The asteroid's diameter is 210 km, so its radius is 105 km (or 105,000 meters). Since the acceleration due to gravity on the asteroid is 1/12th of Earth's, we can write GM/R = (1/12) * g, where g is Earth's acceleration due to gravity (9.81 m/s²). Solving for v, we get v ≈ 1410 m/s (to 3 significant figures).

Part B: To calculate the time it takes for the cannonball to travel around the asteroid, we can use the formula for orbital period: T = 2πR/v. Plugging in the values from Part A (R = 105,000 m, v = 1410 m/s), we get T ≈ 4700 seconds (to 3 significant figures).

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Complete question:

An astronaut on the surface of a large spherical asteroid fires a 5. 0 kg cannonball horizontally from a cannon. The asteroid has a diameter of 210 km , and has an acceleration due to gravity at its surface equal to one twelfth of the value on Earth

Part A

What must be the speed of the cannonball as it leaves the cannon, v, so that it travels completely around the asteroid and returns to its original location?

Give your answer in metres per second, to 3 significant figures.

Part B

How long does it take the cannonball to travel around the asteroid?

Give your answer in seconds, to 3 significant figures.

A water droplet falling in the atmosphere is spherical. assume that as the droplet passes through a cloud, it acquires mass at a rate proportional to ka where k is a constant (k>0) and a is its cross-sectional area. consider a droplet of initial radius r0 that enters a cloud with a velocity v0. assume no resistive force and show:

a. that the radius increases linearly with the time
b. that if r0 is negligibly small then the speed increases linearly with the time within the cloud.

Answers

A water droplet's radius will increase linearly with time if it acquires mass at a rate proportional to its cross-sectional area while passing through a cloud. This will cause its speed to also increase linearly with time within the cloud if its initial radius is very small.

a. As the water droplet falls through the cloud, it acquires mass at a rate proportional to its cross-sectional area. Since the droplet is initially spherical, its cross-sectional area is proportional to its radius squared, i.e., [tex]a \propto r^{2}[/tex]

Therefore, the rate of increase in mass of the droplet is proportional to k times r². By Newton's second law, the acceleration of the droplet is proportional to the net force acting on it, which is equal to the gravitational force minus the buoyant force.

Since there is no resistive force acting on the droplet, the buoyant force is proportional to the volume of the droplet, which is proportional to r³. Thus, the acceleration of the droplet is proportional to [tex](k \times r^2) - (constant \times r^3)[/tex]. Therefore, the radius of the droplet will increase linearly with time as it falls through the cloud.

b. If the initial radius of the droplet, r0, is negligibly small, then its initial mass and velocity will also be small. As it falls through the cloud, it will acquire mass at a rate proportional to its cross-sectional area, which is proportional to r². Therefore, the rate of increase in mass will be proportional to r².

The acceleration of the droplet will be proportional to the net force acting on it, which is equal to the gravitational force minus the buoyant force. Since the initial velocity of the droplet is small, the buoyant force will also be small, and can be neglected. Thus, the acceleration of the droplet will be proportional to r².

By Newton's second law, the velocity of the droplet will increase linearly with time, since the acceleration is proportional to r², which is proportional to the rate of increase in mass of the droplet.

In summary, if a water droplet falling in the atmosphere acquires mass at a rate proportional to its cross-sectional area as it passes through a cloud, then its radius will increase linearly with time, and if its initial radius is negligibly small, then its speed will increase linearly with time within the cloud.

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1. Describe something other than the examples you've been given that you believe uses a
capacitor and describe its function in the device.

Answers

Because capacitors have the ability to filter signals, they are frequently employed in a variety of audio devices like loudspeakers, microphones, woofers, tweeters, and other similar devices.

What are some practical applications for capacitors?

Energy storage, power conditioning, electronic noise filtering, distant sensing, and signal coupling and decoupling are some of the most typical uses for capacitors. Capacitors are employed in a variety of industries because they serve an essential and adaptable function in a wide range of applications.

Do phones make use of capacitors?

Today's smartphone antenna systems depend heavily on capacitors. They are mostly employed for impedance matching, frequency tuning, and filtering.

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For problems 3,4, and 5, Consider an egg that has a mass of 0. 15 kg being held at the top of a flight of stairs.


3. If an egg has 11 J at the top of the stairs, what is the height of the stairs?




4. If the egg is dropped from that height, what is the Kinetic energy right before the egg hits the ground?




5. If the egg is dropped down to the ground from that height, what is the velocity of the egg right before the egg hits the ground?

Answers

Considering an egg has a mass of 0.15 kg being at the top of a flight of stairs, the answers to the following questions are:



3. To find the height of the stairs, we'll use the potential energy formula: PE = mgh, where PE is potential energy (11 J), m is mass (0.15 kg), g is acceleration due to gravity (9.81 m/s^2), and h is the height we want to find.

Rearranging the formula for h: h = PE / (mg) => h = 11 J / (0.15 kg × 9.81 m/s^2) => h ≈ 7.47 m. So, the height of the stairs is approximately 7.47 meters.

4. When the egg is dropped and reaches the ground, all of its potential energy is converted into kinetic energy. Therefore, the kinetic energy right before the egg hits the ground is equal to its initial potential energy, which is 11 J.

5. To find the velocity right before the egg hits the ground, we'll use the kinetic energy formula: KE = 0.5mv^2, where KE is kinetic energy (11 J), m is mass (0.15 kg), and v is the velocity we want to find.

Rearranging the formula for v: v = sqrt(2 × KE / m) => v = sqrt(2 × 11 J / 0.15 kg) => v ≈ 12.12 m/s. So, the velocity of the egg right before it hits the ground is approximately 12.12 m/s.

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Yesterday, the pressure surrounding your location changed by 5 mb over a horizontal distance of 75 km. today, it changes by 5 ml


over a horizontal distance of 105 km. choose the true statement.

Answers

The true statement is "The PGF acting on the wind was stronger yesterday than today because the pressure gradient was larger yesterday". Option 1 is correct.

The pressure gradient force (PGF) is the force that drives air from high-pressure areas to low-pressure areas. It is proportional to the pressure gradient, which is the change in pressure over a given distance.

Yesterday, the pressure changed by 5 mb over a distance of 75 km, so the pressure gradient was 5 mb/75 km = 0.067 mb/km. Today, the pressure changed by 5 ml over a distance of 105 km, so the pressure gradient was 5 ml/105 km = 0.048 ml/km.

Since the pressure gradient was larger yesterday, the PGF acting on the wind was stronger yesterday than today. This means that the wind would have been driven more forcefully yesterday than today, assuming all other factors remained constant.

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The complete question is:

Yesterday, the pressure surrounding your location changed by 5 mb over a horizontal distance of 75 km. today, it changes by 5 ml over a horizontal distance of 105 km. choose the true statement.

The PGF acting on the wind was stronger yesterday than today, because the pressure gradient was larger yesterday.The PGF acting on the wind is stronger today than yesterday, because the pressure gradient is larger today.The PGF acting on the wind was equally strong both days, since the pressure gradient was equal to 5 mb both days.The PGF acting on the wind was equally strong both days, since its strength does not depend on the pressure gradient.

A 50. 0-kg box is being pulled along a horizontal surface by means of a rope that exerts a force of 250 n at an angle of 32. 0° above the horizontal. The coefficient of kinetic friction between the box and the surface is 0. 350. What is the acceleration of the box?.

Answers

The acceleration of the box can be determined using Newton's second law of motion, where the net force acting on the box is equal to the mass of the box multiplied by its acceleration.

In this case, the net force acting on the box is equal to the force of the rope (250 n at an angle of 32.0° above the horizontal) minus the force of kinetic friction (0.350 × 50 kg × 9.81 m/s2). After solving for the acceleration, the acceleration of the box is 5.3 m/s2.

To summarise, the acceleration of a box being pulled along a horizontal surface with a force of 250 n at an angle of 32.0° above the horizontal and a coefficient of kinetic friction of 0.350 is 5.3 m/s2. This acceleration can be determined by using Newton's second law of motion and calculating the net force acting on the box.

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Titan, with a radius of 2. 58 x 10^6 m, is the largest moon of the planet Saturn. If the mass of Titan is 1. 35 x10^23 kg, what is the acceleration due to gravity on the surface of this moon?

A. 1. 35 m/s^2
B. 3. 49 m/s^2
C. 3. 49 x 10^6 m/s^2
D. 1. 35 x 10^6 m/s^2

Answers

The acceleration due to gravity on the surface of Titan is approximately 3.49 m/s². Thus, the correct option is B. 3.49 m/s².

To calculate the acceleration due to gravity on the surface of Titan, we can use the formula:

Acceleration due to gravity (g) = G * (Mass of Titan / Radius of Titan²)

Where:

G is the gravitational constant, approximately

[tex]6.67430 * 10^{-11} m^3/(kgs^2)[/tex]

Mass of Titan = 1.35 × [tex]10^{23[/tex] kg

Radius of Titan = 2.58 × [tex]10^6[/tex] m

Plugging in the values into the formula:

[tex]g = (6.67430 * 10^{-11} m^3/(kgs^2)) * (1.35 * 10^{23} kg) / (2.58 * 10^6 m)^2[/tex]

Calculating the value:

g ≈ 3.49 m/s²

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Two blocks of masses 1. 0 kg and 2. 0 kg, respectively, are pushed by a constant applied force f across a horizontal frictionless table with constant acceleration such that the blocks remain in contact with each other, as shown above. The 1. 0 kg block pushes the 2. 0 kg block with a force of 2. 0 n. The acceleration of the two blocks is.

Answers

The acceleration of the two blocks is approximately [tex]0.67 m/s^2.[/tex]

Since the two blocks are in contact and moving together, they are considered as a single system.

The net force on the system is the force applied to the 1.0 kg block minus the force of friction between the two blocks. According to Newton's second law, the net force is equal to the mass of the system times its acceleration:

Net force = (mass of system) x (acceleration)

We can set up an equation for the net force as follows:

Net force = F - f

where F is the applied force, and f is the force of friction between the two blocks. Since the table is assumed to be frictionless, there is no frictional force, so f = 0.

Therefore, the net force is simply equal to the applied force F:

Net force = F

We can now substitute the values given in the problem:

F = 2.0 N (the force applied to the 1.0 kg block)

m = 1.0 kg + 2.0 kg = 3.0 kg (the total mass of the system)

Using the equation for the net force, we can find the acceleration of the system:

Net force = (mass of system) x (acceleration)

F = m x a

a = F / m

a = 2.0 N / 3.0 kg

[tex]a =0.67 m/s^2[/tex]

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The electric power of a lamp that carries 2 a at 120 v is.

Answers

The electric power of the lamp is 240 watts.

The electric power of a lamp can be calculated using the formula:

Power = Current x Voltage

In this case, the current is 2 A and the voltage is 120 V.

Power = 2 A x 120 V = 240 watts (W)

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what are the base units for the SI units are based on

Answers

Answer:

time: seconds

length: meter

mass: kilogram

electric current: ampere

temperature: Kelvin

Explanation:

one person pulls on a rope with a force of 400 n to the right. another person pulls on the opposite end with a force of 600 n to the left. what is the unbalanced net force?

Answers

The unbalanced net force acting on the rope is 200 N to the left. This means that the rope will move in the direction of the net force, which is to the left.

The unbalanced net force is the overall force acting on the object after considering all the forces acting on it.

In this case, one person is pulling on a rope with a force of 400 N to the right and the other person is pulling on the opposite end with a force of 600 N to the left.

To determine the net force, we need to subtract the force acting in the opposite direction from the force acting in the forward direction.

Since the forces are in opposite directions, we need to subtract the smaller force from the larger force:

Net force = 600 N - 400 N = 200 N to the left

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When a 3. 0-kg block is pushed against a massless spring of force constant 4. 5×103N/m, the spring is compressed 8. 0 cm. The block is released, and it slides 2. 0 m (from the point at which it is released) across a horizontal surface before friction stops it. What is the coefficient of kinetic friction between the block and the surface?

Answers

Answer:

The spring constant is 3.0 kg

The caloris basin on mercury covers a large region of the planet, but few craters have formed on top of it. from this we conclude that the :_________.
i. caloris basin was formed by a volcano.
ii. erosion destroyed the smaller craters that formed on the basin. only very large impactors hit mercury's surface in the past.
iii. the caloris basin formed toward the end of the solar system's period of heavy bombardment.
iv. mercury's atmosphere prevented smaller objects from hitting the surface.

Answers

The caloris basin on mercury covers a large region of the planet, but few craters have formed on top of it. from this we conclude that iii) the caloris basin formed toward the end of the solar system's period of heavy bombardment.

From the observation that the Caloris Basin on Mercury covers a large region of the planet, but few craters have formed on top of it, we can conclude that the Caloris Basin likely formed toward the end of the solar system's period of heavy bombardment (option iii). This is because the basin has not accumulated a significant number of craters on top of it, suggesting that it was created after most of the intense impacts had occurred.

The other options are less likely: option i, that the Caloris Basin was formed by a volcano, is not as plausible since the basin is generally thought to have been formed by a massive impact event. Option ii, that erosion destroyed smaller craters on the basin, is unlikely as Mercury lacks the significant atmosphere and geological processes necessary for substantial erosion to occur. Finally, option iv, that Mercury's atmosphere prevented smaller objects from hitting the surface, is incorrect because Mercury's extremely thin atmosphere is not capable of shielding the surface from impacts. The correct option is iii) the caloris basin formed toward the end of the solar system's period of heavy bombardment.

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