A block is set into motion up an inclined rough plane with some initial speed. T

Question

A block is set into motion up an inclined rough plane with some initial speed. The block comes to rest after traveling a distance along the plane, which is inclined at an angle to the horizontal. For the entire motion, the potential energy __1__ (choose one of increases|stays the same|decreases), the kinetic energy __2__ (increases|stays the same|decreases), the mechanical energy __3__ (increases|stays the same|decreases), and the internal energy of the system __4__ (increases|stays the same|decreases)

Explanation / Answer

1)potential energy increases

2) kinetic energy decreases

3)mechanical energy stay the same

4) internal energy increases

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