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Find the external work done on the block

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Reference no: EM131421042

A block of mass 2 kg moves on a frictionless incline (none of the forces on the block are shown). Its initial velocity is v_0 = 4 m/s, and it slides a vertical distance h = 20 m up the slope and its final velocity is v_f = 3 m/s. Find the external work done on the block.

Reference no: EM131421042

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