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Natasha_Volkova [10]
3 years ago
13

How does the friction get affected by the nature of surface?

Physics
1 answer:
aleksley [76]3 years ago
8 0

Answer:

The heat causes the molecules on rubbing surfaces to move faster and have more energy.

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Normal atmospheric pressure at sea level is ?
iris [78.8K]
1 bar or 100 000 pascales. Or 1020 hPa. It kinda differentiates.
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At the top of the hill, the
WARRIOR [948]

Answer:

The answer to your question is below

Explanation:

To explain what happens with the ball we must remember the Law of Conservation of Energy.

This law states that the energy can be neither created nor destroyed only converted from one form of energy to another.

Then,

At the top of the hill, the potential energy is maximum and the kinetic energy equals to zero.

When the ball starts to roll down the potential energy will be lower and the kinetic energy will have a low value.

At the middle of the hill, both energies have the same values.

At the end of the hill, the potential energy will be equal to zero and the kinetic energy will be maximum.

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2 years ago
How to work out Initial volume Boyle’s law
SOVA2 [1]

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Explanation:

4 0
3 years ago
A football player kicks a 0.94 kg football with a force of 2.4 N. Calculate the acceleration of the football as the player kicks
Anon25 [30]
Hello, I hope this helps :)
So the equation to figure these kinds of questions is F=MA
F refers to force, which in this situation F would be 2.4
M refers to mass, mass would be 0.94
A refers to acceleration, which we are trying to figure out
So if we put in the information we know into the equation, it is now 2.4=0.94*A
So with that equation we can figure that 2.4 divided by 0.94 equals A
So 2.4/0.94= 2.553191489362 :'D
Don't worry, the rounded and correct answer is 2.6
Have a nice day =)
7 0
3 years ago
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Walk in a straight line at a constant speed. Now turn left. Did you accelerate? Explain
lawyer [7]

Answer:

nope

Explanation:

4 0
3 years ago
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