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11 May, 12:05

What is the mass of an object traveling at 20 m/s with a kinetic energy of 4000 J?

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  1. 11 May, 14:32
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    20 kg

    Explanation:

    Kinetic energy=½*Mass * velocity²

    4000 = ½ * m*20²

    8000=400m

    m=8000/400

    m=20 kg
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