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27 Oct 2021
Given information
Friction is the force that resists motion when the surface of one object comes in contact with the surface of another.
Step-by-step explanation
Step 1.
As we know the power is defined as the rate at which work is done, or energy is used. It is also defined as the amount of work done divided by the time taken to do this work i.e.
In problem 21, if time taken to change in potential energy is t then
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