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9 January, 23:34

You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s The ball has energy Calucate it

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  1. 9 January, 23:42
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    Since the ball is in motion, the energy can be calculated by the equation for kinetic energy (KE) which is,

    KE = 0.5mv²

    Substituting the known values from the given,

    KE = 0.5 (2.1 kg) (30 m/s) ²

    Simplifying the equation will give us an answer of,

    KE = 945 J

    Thus, the ball has an energy of 945 J.
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