A 200 kg piece of wood slides on the surface shown in the, Ask an Expert

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A 2.00 kg piece of wood slides on the surface shown in the accompanying figure. All parts of the surface are frictionless, except for a 30.0 m -long rough segment at the bottom, where the coefficient of kinetic friction with the wood is 0.200. The wood starts from rest 3.00 m above the bottom.

1040_A piece of wood slides on the surface.jpeg

Where will the wood eventually come to rest?

How much work is done by friction by the time the wood stops?

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