Question

On a smooth inclined plane, which forms an angle θ with the horizontal, a block slides starting from rest. After traveling a distance D, the block enters a rough section. The block stops after traveling a distance D in that section. Draw the free-body diagram of the block and the reference system to use. Determine the acceleration of the block in each leg. Calculate the coefficient of kinetic friction between the block and the rough surface. How long does it take for the forest to slide over the first stretch without rubbing?

Answer 1

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