With what speed does the boy recoil

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A 61.2-kg boy at rest on roller skates throws a 0.915-kg ball horizontally with a speed of 7.44 m/s. With what speed does the boy recoil?

Reference no: EM13255566

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With what speed does the boy recoil : A 61.2-kg boy at rest on roller skates throws a 0.915-kg ball horizontally with a speed of 7.44 m/s. With what speed does the boy recoil
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