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21 August, 06:12

A 4.0-kg ball has a momentum of 20.0 kg-m/s. What is the ball's speed?

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  1. 21 August, 06:37
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    Moving mass m = 4.0Kg

    Momentum P = 20.0Kgm/s

    Speed V = ?

    Momentum = product of mass and its velocity

    P = mV

    V = P

    m

    V = 20

    4

    V = 5m/s
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