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A 82.9-kg man is standing on a frictionless ice surface when he throws a 1.70-kg book...

A 82.9-kg man is standing on a frictionless ice surface when he throws a 1.70-kg book horizontally at a speed of 13.0 m/s. With what speed does the man move across the ice as a result? Give your answer in m/s, and be sure to use three significant figures in your answer.

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