Answer:
mid-ocean ridge
Explanation:
When two oceanic tectonic plates diverge, it means they pull away from each other. When this happens, new land is created where the two plates moved apart.
Answer:
Mid-Ocean Ridge
Explanation:
Just trust me
During a basketball game a kid tries to show off his fancy dribbling skills by going 3.5 m east and 5 m north. Dan is way too good to follow him through this unnecessary display. What magnitude and direction could Dan go to keep up with the other kid and only move in one straight line. Must show work for full credit
HELPP PLZZ
Answer:I litterly need a picture of this put the pic and Ill edit this question
Explanation:
HELP PLEASE: Which option is an example of an object that has potential energy followed by an object that has kinetic energy?
A the fuel in the tank of a car | a car that is parked in a parking lot
B A battery in an electric car | a car parked in the middle of a hill
C A ball held over a person's head | a ball rolling on the floor
D A person riding an elevator | a person in an elevator at the top floor
Answer:
C
Explanation:
Potential energy is energy that something has when its not moving. Kinetic energy is energy in motion. A ball held over a persons head isn't moving, meanwhile a ball in motion is using kinetic energy.
C)A ball held over a person's head | a ball rolling on the floor.
What is an object that has potential and kinetic energy?Objects may have each kinetic electricity and capacity electricity at an equal time. An item may be accelerated above the ground (have capacity electricity) and be shifting at the identical time (and now have kinetic electricity). A baseball, a plane, and a flying chicken are all easy examples of this.
Is light potential or kinetic energy?A rushing bullet, a walking person, and electromagnetic radiation like mild all have kinetic energy. Some other example of kinetic strength is the strength associated with the constant, random bouncing of atoms or molecules.
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A plate moves 200 m in 10,000 years. What is its rat in cm/year
Answer:
2cm/year
Explanation:
20000/10000=2cm/year
2.30 Suppose that the radius of a typical cell is 10 mm and that inside it 106 ATP molecules are hydrolyzed each second. What is the power density of the cell in watts per cubic meter (1 W = 1 J s−1)? A computer battery delivers about 15 W and has a volume of 100 cm3. Which has the greater power density, the cell or the battery?
Answer and Explanation: One ATP release approximately 30.5kJ/mol of energy. Using Avogadro's constant, it is known one mol corresponds to [tex]6.02.10^{23}[/tex] molecules, so 106 ATP molecules releases:
E = [tex]30.5.10^{3}*\frac{106}{6.02.10^{23}}[/tex]
E = [tex]537.04.10^{-20}[/tex]J
A cell is approximately a sphere. Volume of a sphere is given by
V = [tex]\frac{4}{3}.\pi.r^{3}[/tex]
Changing radius from mm to m:
r = [tex]10^{-2}[/tex]m
Then, volume is
V = [tex]\frac{4}{3}.\pi.(10^{-2})^{3}[/tex]
V = [tex]4.2.10^{-6}[/tex] m³
Power density is given by
[tex]power=\frac{energy}{volume}[/tex]
[tex]power=\frac{537.04.10^{-20}}{4.2.10^{-6}}[/tex]
[tex]power=128.10^{-14}[/tex]
power = 12.8.[tex]10^{-15}[/tex] W/m³
Power density for a the cell is 12.8.[tex]10^{-15}[/tex] W/m³.
Power density for battery is
100 cm³ = [tex]10^{-4}[/tex]m³
power = [tex]\frac{15}{10^{-4}}[/tex]
power = [tex]15.10^{4}[/tex]W/m³
Comparing cell and battery, battery has a greater power density.
3. What is the mass of a paratrooper who experiences an air resistance of 400 N and an acceleration of 4.5 m/s2
during a parachute jump.
Answer:
88.89kg
Explanation:
The formula for mass is m=F/a. If we plug in the values, we get m=400N/4.5m/s^2. The mass is 88.89kg. We know that the unit is in kg because one newton (N) is 1kg*m/s^2. The m/s^2 is cancelled out by the acceleration, and we are left with kg.
Please help!!! 80 feet/sec to miles / hour
A gas that is heated under constant pressure...
A.) will contract and demonstrate Boyle's Law
B.) will contract and demonstrate Charles's Law
C.) will expand and demonstrates Charles's Law
D.) will expand and demonstrates Boyle's Law
Answer:
c: will expand and demonstrate the Charles's law
A force of 16 N to the west is applied to each object below. Which object will undergo the greatest change in momentum
A force of 16 N to the west is applied to each object below , the object with greater mass and velocity have greater momentum. So, A 20 Kg object that is moving east at 10m/s.
What is force?
Force is an external agent acting on a body, to change it from the state of rest or motion. There are various kinds of forces such as frictional force, magnetic force, nuclear force etc.
In physics, force is the product of mass and acceleration of the body. Greater mass results greater force needed to be applied on the object to make it move or stop.
Momentum is the product of mass and velocity. Thus, as mass or velocity or both increases, momentum of the object increases. Hence the larger object moving faster will gain greater momentum.
Here, option C is the correct answer.
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A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope , its speed is 4 m/s. But 3 seconds later at the bottom of the slope , its speed is 22 m/s. What is the average acceleration?
Please Show Steps or work on how to do it :(( This topic confuses me and I just get lost.
What is the relationship between the structure of a white blood cell and its function in the body.
In frequency modulation, which wave property remains constant?
O a
Ob
Oc
Od
Frequency
Wavelength
Amplitude
Hertz
Answer:
Amplitude
Explanation:
Explanation:
A rocket moves straight upward, starting from rest with an acceleration of +29.4 m/sec2 . It runs out of fuel after 4 seconds and continue to rise, reaching a maximum height before falling back to Earth. a) Find the rocket's velocity and height at the moment fuel ends. b) Find the maximum this rocket can reach. c) Find the velocity the instant before the rocket crashes on the ground.
Answer:
(a). The rocket's velocity is 117.6 m/s.
(b). The rocket can reach at maximum height is 940.8 m.
(c). The velocity the instant before the rocket crashes on the ground is 135.7 m/s.
Explanation:
Given that,
Acceleration = 29.4 m/s²
Time = 4 sec
(a). We need to calculate the rocket's velocity
Using equation of motion
[tex]v=u+at[/tex]
Put the value into the formula
[tex]v=0+29.4\times4[/tex]
[tex]v=117.6\ m/s[/tex]
We need to calculate the maximum height at the moment fuel ends
For the value of x₁
Using equation of motion
[tex]x_{1}=ut+\dfrac{1}{2}at^2[/tex]
Put the value into the formula
[tex]x_{1}=0+\dfrac{1}{2}\times29.4\times4^2[/tex]
[tex]x_{1}=235.2\ m[/tex]
We need to calculate the value of x₂
Using equation of motion
[tex]v^2=u^2-2gx_{2}[/tex]
Put the value into the formula
[tex]0=u^2-2gx_{2}[/tex]
[tex]x_{2}=\dfrac{u^2}{2g}[/tex]
Put the value in to the formula
[tex]x_{2}=\dfrac{117.6^2}{2\times9.8}[/tex]
[tex]x_{2}=705.6\ m[/tex]
(b). We need to calculate the maximum this rocket can reach
Using formula for height
[tex]H=x_{1}+x_{2}[/tex]
Put the value into the formula
[tex]H=235.2+705.6[/tex]
[tex]H=940.8\ m[/tex]
(c). We need to calculate the velocity the instant before the rocket crashes on the ground
Using equation of motion
[tex]v^2=u^2+2gh[/tex]
Put the value into the formula
[tex]v=\sqrt{2\times9.8\times940.8}[/tex]
[tex]v=135.7\ m/s[/tex]
Hence, (a). The rocket's velocity is 117.6 m/s.
(b). The rocket can reach at maximum height is 940.8 m.
(c). The velocity the instant before the rocket crashes on the ground is 135.7 m/s.
How do the magnetic and electrical components of electromagnetic waves travel in relation to each other? at right angles toward each other in a circular motion parallel to each other
Answer: A
Explanation:
Answer:
it is a
Explanation:
what is the answer? I need help.
Answer:
moving water
Explanation:
its called hydropower its a form of renewable energy that uses moving water
The sun will probably end up as a white dwarf. How will it be different then from what it is today
Answer:
The differences that will be observed are;
1) The Sun will become faint and will no longer be yellow but rather appear white and will no longer be visible (become invisible) by unassisted vision as we can see the Sun today
2) The size of the Sun will shrink to a size comparable to the size of the Earth
3) The Sun will cool down and will no longer radiate as much heat
4) The nuclear reactions that generate energy on the Sun's will seize and the and the heat from the Sun will be from residual thermal energy
5) The core, which is the hottest part of the Sun will no longer be hydrogen but carbon and oxygen
Explanation:
What is the point on the globe to the right that receives 24 hours of daylight on the December solstice?
Answer: Explanation:
Locations above the Arctic Circle (north of 66.5 degrees latitude; 90 degrees minus the tilt of Earth's axis) receive 24 hours of sunlight.
Orbits: Sun
what are 5 different movements you can use to warm up
Answer:
1) Jumping Jacks (their a great way to get blood into your muscles and keep your blood running)
2) Toe touches (helps warm up your hamstring so you won‘t get injured easily)
3) Jog in place (Warm up leg muscles and whole body)
4) Arm circles (Warms up arm muscles)
5) 10,10,9,9. (This is something I like, you hop on 1 foot for 10 times and then switch to your other foot ten times without stopping, but after the ten you go back foryour previous hopping leg and hop 9 times this time and same for your other foot, THEN hop 8 times with the foot you started with and, keep going in that order in decending order until you reach 1, (a great way to warm up leg muscle)
A
person shoves an ice cube off a table. Which of the following acts on the ice cube after it leave
the table but before it hits the floor?
Answer:
friction I would guess? you didnt leave any options.
Explanation:
How many types of joints are there in the human body? A. 4 B. 2 C. 12 D. 6
Answer:
there are six types of joints in the human body
Answer: The answer is D. 6
Explanation: Learned in health class a while ago.
A giraffe has an acorn fall from his mouth while he is eating. The giraffe's mouth is 6 meters off the ground. It falls and hits a rock that is 1.5 meters off the ground. How long did it take the acorn to reach the rock?
Answer:
I would say at least 3 seconds
Explanation:
This may not be 100% accurate this is my opinion this could help give you an idea also let me explain. If the acorn fell 6 meters off the ground at 1.5 meters in my opinion it should go by 2 meters for every 1.5 meter in this order 1.5, 3, 4.5 and 6!
a bullet of mass 25 g is fired from a pistol at a velocity of 200 m/s. if mass of the pistol is 2.5 kg calculate its recoil velocity
A child blows a leaf from rest straight up in the air. The leaf has a constant upward acceleration of magnitude 1.0\,\dfrac{\text m}{\text s^2}1.0 s 2 m 1, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, squared, end fraction. How much time does it take the leaf to displace 1.0\,\text m1.0m1, point, 0, start text, m, end text upwards?
Answer:
Explanation:
Given
Acceleration a = 1.0m/s²
Displacement S = 1.0m
Required
Time t taken by the leaf to displace
Using the equation of motion
S = ut+1/2at²
Substitute
1.0 = 0+1/2(1)t²
1 = t²/2
Cross multiply
t² = 2
t = ±√2
t = 1.41secs
It takes the leaf to 1.41s to displace by 1m upward
The specific heat capacity of water is 4,200 J/kg °C.
Calculate the thermal energy that must be
absorbed by 1.4 kg of water to increase its
temperature by 25 °C.
help TvT
I need help for 2 ASAP I haven’t been able to figure it out :(
Answer Choices:
A
B
C
D
E
F
Answer:
B, C
Explanation:
hi! at point A, D, and F, the object is at a constant speed because the line is horizontal. at point E, the object's speed is increasing because of the line's positive slope. B and C show the object slowing down because the line has a negative slope.
hope this helps!
I need help with this
Answer:
0.832
Explanation:
8.320 x 10 to the negative 1st power is 0.832
a vector must always have both size and
Answer:direction
Explanation:
A vector must always have both sizes as well as direction, while on the other hand, any scalar quantity such as the mass of an object would only have magnitude but not direction.
What is a vector quantity?The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.
Examples of vector quantities are displacement, velocity acceleration, force, etc.
A scalar number, such as an object's mass, would only have magnitude but not direction, unlike a vector, which must always have both quantities and direction.
To learn more about the vector quantity here, refer to the link given below;
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13. What change in state occurs when a liquid changes into a solid?
Answer:
heat occurs to change into solid
Answer:
It's freezing or solidification
Explanation:
The coldness freezes the water making it a solid, like water to an ice cube. Take Disney's Frozen by example. Elsa has a ice touch, so when she touches water, it becomes a solid.
Why do storm go to Galveston?
Hurricanes and tropical storms can also spawn tornadoes and microbursts, create storm surges ... If you are unable to evacuate, go to your wind-safe room.
Which of the following is true about wedges?
A.)Wedges are a type of ramp.
B.)Wedges are a type of screw.
C.)Wedges are a type of inclined plane.
D.)Wedges are a type of lever.
Answer:
wedges are a type of inclined plane.
Explanation:
i just answered :) :) :)
Wedges are a type of inclined plane is true about the wedges.aThe type of wedges is categorized on the basis of the angles of the inclined plane.
What are wedges?
A piece of wood, metal, or other material with one thick end and a thin edge that is used to attach or separate two things or sections of an object."A wedge was used to fasten the door"
The wedge family consists of four designs: pitching wedge, gap wedge, sand wedge, and lob wedge. Each stick has a different loft, which makes it better for various shots.
The Pitching Wedge is the wedge with the lowest loft. It may be utilized for full swings toward the greens as well as lengthy chip shots.
Hence wedges are a type of inclined plane is true about the wedges.
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