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19 December, 22:01

If an object is moving at a speed of 5 m/s and has a kinetic energy of 600 J, what must its mass be?

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  1. 19 December, 23:15
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    48 kg

    Explanation:

    Kinetic energy = ½mv²

    600 J = ½m (5) ²

    m = 600 * 2 = 25 = 48 kg
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