The motion of the particles in this kind of wave will be option C that is The particles will move side to side over small areas.
What is a wave?A wave can be described as a disturbance that travels through a medium from one location to another location.
When Marcus plucks an outstretched coil, the coli sets into wave like motion that is oscillates to and fro. The particles of the medium do not move along the wave but just vibrate sideways about a fixed position.
The particles would move side to side over very small areas. Such type of wave is known as a mechanical wave. A Sound wave is a mechanical wave.
The particles vibrate in the direction of the motion of the wave. The wave carries forward the energy.
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Answer:
C is the correct answer. :)
Explanation:
Any measurement that includes both magnitude and direction is called an
Answer:
Vector Quantity
Explanation:
i dont know how to explain it my g
Most active galactic nuclei are found at large distances from us, with relatively few nearby. What does this imply?.
It implies that the universe is expanding, and so is the fabric of space-time.
Think of a balloon with stickers on it.
As you blow the balloon bigger and bigger, the stickers will get further apart!
a 1200 kg car travels at 20 m/s
if the car slows to a stop what is its final momentum?
Answer:
No motion, so momentum = zero
Explanation:
can anyone please solve this question for me i will give you 100 points please
Answer:
initial velocity= v(1 - 1/(1 + (pi)r^2dp(m/M) )
Explanation:
1st: Write the equation initial velocity=v( 1 - 1/(1 + pi x r^2 x d x p x m/M)
Secondly: Plug in the variables initial velocity= v( 1 - 1/(1 + (pi)r^2dp(m/M) )
You need to give me the variable amounts to find the initial velocity.
This painting represents the milky way galaxy as it might appear from a distance. Identify the indicated features.
The indicated features of how the painting represents the milky way galaxy include the following:
Spiral armBulgeDiskWhat is Milky way?This is the galaxy which comprises of our solar system and has a milky appearance when it's viewed from the earth.
The painting represented it as a result of the spiral arm and other features which are listed above.
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A friend is standing 2 m in front of a plane mirror. You are standing 3 m directly behind your friend. What is the distance between you and the image of your friend?.
Answer:
7m
Explanation:
distance between you and the image of your friend=3+2+2= 7m
the extra 2m is the distance between the friend image and the mirror
A friend is standing 2 meters in front of a plane mirror, then the distance between you and the image of your friend is 7 meters.
What is a plane mirror?A mirror with such a flat (planar) shiny surface is referred to as a plane mirror. The angle of reflection for light waves striking a planar mirror is the same as the angle of incidence. The angle between the incident ray and the surface normal is known as the angle of incidence.
Therefore, a collated beam of light does not expand out after reflection from a flat mirror, except for despite the complexity, and the angle of reflection is the ratio between the returned ray and the normal.
In a plane mirror, items in front of the mirror appear to be located behind the plane wherein the mirror is located. A straight line traced from one portion of an object to its equivalent portion in its image forms a right angle and is split in half by the face of a plane mirror.
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Item 3
What causes an electric current in a wire?
Electrons flow because of electrical attraction and repulsion.
Electric fields cause atoms to move in the wire.
Electrons build up in the wire and create a charge.
Electrons move because of heat.
Answer:
A
Explanation:
The definition of current is the differential change in charge over a differential change in time. In the case of the wire, a source, say a battery, sends electrons from one terminal to another terminal. The medium through which these electrons move is the wire. Therefore, the charge flowing through the wire over time creates an electric current, by definition.
PLEASE HELP!! What needs to happen for solid water to change to liquid water?
A. Energy needs to be removed.
B. Atoms need to break apart.
C. A chemical reaction needs to happen.
D. Intermolecular forces need to be overcome.
I took this once already and A was NOT correct.
Answer:
The answer is D.
Explanation:
I took the test.
When solid water changes to liquid water Intermolecular forces need to be overcome. The correct answer is D.
What is phase change?The process of changing a substance from one state of matter to another is called a phase change. The phase change from solid to liquid is called melting or fusion. In order for solid water (ice) to change to liquid water, the intermolecular forces holding the water molecules in a fixed position in the ice lattice need to be overcome.
Here in the Question,
Option A: Energy needs to be removed. This is true for the opposite process, where liquid water changes to solid ice. In this case, heat energy is removed from the water, causing the molecules to lose kinetic energy and slow down, eventually forming a solid lattice. But in the case of solid ice changing to liquid water, energy needs to be added, not removed, to break the intermolecular forces holding the solid together.
Option B: Atoms need to break apart. This is not true for the phase change from solid to liquid. In a phase change, the atoms or molecules in the substance do not break apart or change in any way. Instead, the intermolecular forces between the atoms or molecules are either weakened or strengthened to allow for the phase change.
Option C: A chemical reaction needs to happen. This is also not true for the phase change from solid to liquid. In a chemical reaction, the atoms or molecules in the substance are rearranged to form new substances with different properties. But in a phase change, the atoms or molecules remain the same and only the arrangement and motion of the particles change.
Option D: Intermolecular forces need to be overcome. This is the correct option. The intermolecular forces, such as hydrogen bonds, holding the water molecules in a fixed position in the ice lattice need to be overcome to allow the molecules to move freely and form a liquid. This requires the addition of energy, usually in the form of heat, to the solid ice.
Therefore, The correct answer is D. Intermolecular forces need to be overcome.
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Which of the following distinguishes light waves from mechanical waves?
A. Light waves are not really waves, they are streams of fast moving particles.
B. Light waves carry much more energy than mechanical waves.
C. Light waves cannot be reflected or refracted.
D. Light waves can carry energy through empty space.
Answer:
Im pretty sure it's B. but im not 100% sure sry
Explanation:
Who made the automobile more affordable for the average American by mass-producing his cars on a moving belt called an assembly line
What fraction of a given amount of hydrogen-3 would be left after 36.9 years of decay?
Answer:
10
Explanation:
When a car suddenly stops at a red light, a book lying on the car seat slides forward. Why does the book continue to move forward?.
Answer:
The book's inertia causes it to continue moving.
Inertia can be defined as the tendency of an object such as a book to continue in its state of motion or remain at rest, unless it is acted upon by an external force.
Explanation:
Does this help you???
4.
A steel plate that weighs 200 N and has a u with the asphalt of 0.6. If the steel
plate is sliding along the asphalt (constant velocity), what is the force of friction present?
Given
Want
Equation and solve
Answer:
120N
Explanation:
The question gives us Mg = 200 N and in this equation Mg is equal to the normal force. Kinetic friction is calculated by normal force * coefficient of kinetic friction. Therefore kinetic friction = 200N * 0.6 = 120N
What’s the difference between expressed/implied powers, concurrent powers, and reserved powers?.
Answer:
A reserved power is a power specifically reserved to the states. Powers include setting up local governments and determining the speed limit. A concurrent power is a power that is given to both the states and the federal government.
Explanation:
The gravitational force between two masses separated by a distance is F. The magnitudes of two masses are doubled and distance between them is reduced to half of the initial distance. The gravitational force between them will be:
[A] F
[B] 2F
[C] 4F
[D] 16F
Answer:
F = G M m / R^2
F1 = G M m / R1^2
F2 = 4 G M m / R2^2
F2 / F1 = 4 * (R1 / R2)^2 = 4 / (1/2)^2 = 16F2 = 16 F1
When Uranus was first found via telescope, what did the founder originally want to name it?
A.
Georgium Sidus
B.
Oberon
C.
Lysander
D.
Eris
Answer:
Georgium Sidus
Explanation:
Because he wanted to name it after King George three I am pretty sure
A student leaves a physics classroom and walks 1 meters south
to go to a water fountain. The student then walks 6
meters north to get to her math class. What is the magnitude
and direction of the girl's total displacement from the physics
classroom to the math classroom? Remember to include
positive or negative signs to indicate direction.
Answer:
5m North
Explanation:
Displacement is the distance between an object's current vs starting position.
If we consider the starting position to be (0,0), we subtract 1 from the y-component to go south and add 6 to go north. We get a position of (0,5), or 5m north.
How or when does Harley Quinn demonstrate or defy the law of physics? Is there a scene where she demonstrates/defies the laws of physics? Do her abilities defy/demonstrate the law of physics?
Harley Quinn uses her baseball bat with 100% efficiency which defies the law of physics as no tool is 100% efficient.
Who is Harley Quinn?Harley Quinn is a villain in the comics as well as the adapted movie suic_ide squad.
Harley Quinn's choice weapon is a mallet which she later loses for a baseball bat during a fight she got in.
Harley Quinn does not possess any superpowers, but she uses her bat so well that it defies some of the laws of physics.
For example, no tool or machine is 100% efficient, yet Harley Quinn uses her bat with 100% efficiency, thus defying the law of physics.
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A girl runs up the down escalator in the mall. If the escalator is moving with a
velocity of 24 m/min and the girl is running with a velocity of 30 m/min, how
far up the escalator can she go in 4 minutes?
O A. 24 m
B. 10 m
C. 30 m
о
D. 48 m
Answer:
24
Explanation:
24 m
Running up - velocity + 30 m/min
Escalator 's moving down velocity - 24 m/min
Sum velocity (30 - 24) = 6 m/min
6 m/min * 4 min = 24 m
Question 7 of 35
Which two conditions are required for a hurricane to form?
A. A lot of ocean water
O B. A high-pressure system
O c. A lack of precipitation
O D. A lot of thermal energy
Why does an aqueous solution of an ionic substance conduct an electric current?.
Answer: Because ions in an aqueous solution are free to move independently from each other. the net flow of cations toward a negative or positive electrode results in a flow of charge, which is an electrical current.
a force of 10N is applied to a box and moves it 3 meters in 5 seconds. how much power was used?
Answer:
Explanation:
Work = Force x Displacement
Work = 10 x 3
Work = 30
Power = Work / Elapsed Time
Power = 30 / 5
Power = 6
We've discussed elevators that are raised with cables, but many elevators use pistons. A pump provides fluid at very high pressure to the piston; the resulting force on the piston raises the elevator and passengers. For a typical piston elevator, the mass of the elevator and passengers is 2000 kg and the radius of the piston is a surprisingly small 4. 2 cm. The elevator begins to move upward, accelerating at 0. 80 m/s2. What is the absolute pressure in the piston?
[tex]p = \frac{f}{s} [/tex]
[tex]f = ma = 2000 \times 0.8 = 1600[/tex]
[tex]s = \pi \: r {}^{2} = 3.14 \times 4. {2}^{2} \times 10 {}^{ - 4} = 55.42 \times 10 {}^{ - 4} [/tex]
[tex]p = \frac{1600}{55.42 \times 10 {}^{ - 4} } = 288 \: 704 \: pascal[/tex]
The absolute pressure in the piston is 288704 pascal.
What is pressure?The force delivered perpendicularly to an object's surface per unit area across which that force is dispersed is known as pressure. In comparison to the surrounding pressure, gauge pressure is the pressure. Pressure is expressed using a variety of units.
Given in the question the mass of the elevator and passengers is 2000 kg and the radius of the piston is a surprisingly small 4. 2 cm. The elevator begins to move upward, accelerating at 0. 80 m/s².
Pressure = Force/area
Pressure = mass. acceleration/area
Pressure = 2000*9.8/0.005542
Pressure = 288704 pascal
The absolute pressure in the piston is 288704 pascal.
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Explain what sportsmanship means to you
thx u if you anwers this question I will give 100 points and brainly
Answer:fair and generous behavior or treatment of others, especially in a sports contest.
Explanation: hope this helps !
Hello people ~
The electric potential of earth is taken as:
(a) zero
(b) infinity
(c) unity
(d) None of these
Answer:
(a) zero
lmk if im wrong :)
Answer:
zero
Explanation:
Earth is a spherical objectThe charge is injected from.the centre of earthAs the radius remains same every charge gets neutralized .
Hence net charge is zero
Huda is 16 years old, but she looks 12. A lot of her friends already look like adults. She asks her doctor about biologically becoming an adult. What is the doctor's BEST response for Huda?
The Doctor's best response to her will be that individuals develop at different rates and she should be unbothered.
What is Development?This is defined as a specified state of advancement or growth and we individuals mature at different rates.
This is because various factors such as genetic and the environment influence maturity rate which is why Huda shouldn't be bothered.
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Answer: When you reach full adult size and become sexually mature, you are biologically an adult.
Explanation: Just took the test
a person standing 100m away from a wall fires a gun and hears and echo. Calculate time after which an echo is heard.
a. 1.02 sec
b. 0.42 sec
c. 2.05 sec
d. 0.61 sec
Answer:
Time for sound to travel to wall and back
T = S / V = 200 m / (331 m/s) = .60 sec
d) is correct
Which type of energy does a ball thrown in the air have at its highest point?.
Answer:
Potential Energy
Explanation:
Potential Energy is the required answer
In the absence of air resistance, why does the horizontal component of velocity for a projectile such as a
bullet remain constant while the vertical component changes?
Explanation:
The vertical velocity changes because gravity is what brings the ball downwards, since gravity is what cause acclereation in free fall, acclereatiin will make the velocity become more negative.
There is no force happening on the ball in the horinzontal direction so according to Newton 1st law, the ball will remain in constant velocity n the horinzotnal direction.
What effect does dropping the sandbag out of the cart at the equilibrium position have on the amplitude of your oscillation?.
Answer:
It has no effect on the amplitude.
Explanation:
When the sandbag is dropped, then the cart is at its maximum speed. Dropping the sand bag does not affect the speed instantly, this is because the energy remains within the system after the bag as been dropped. The cart will always return to its equilibrium point with the same amount of kinetic energy, as a result the same maximum speed is maintained.