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12 June, 00:31

if a 10 kg object has a kinetic energy of 20 J what is its speed and what is the formula used to calculate speed

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  1. 12 June, 03:32
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    2 meter per second

    Explanation:

    kinetic energy = 1/2 m v^2

    20J = 1/2 * 10 * v^2

    v^2 = 4

    v = 2 m/s
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