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10 May, 17:35

A car has a kinetic energy of 5.32*10^5 j when traveling at a speed of 20 m/s what is its mass

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  1. 10 May, 18:56
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    Answer: Mass of car is 2660kg

    Explanation:

    Use equation for Kinetic ene) rgy:

    Ek = (m*V²) / 2

    from this eqation you can get mass

    m*V²=Ek*2

    m=Ek*2/v²

    Ek=5.32*100000J

    V=20m/s

    m=?

    m=2*5.32*100000J / (20m/s) ²

    m=2660kg or 2.66t
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