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9 October, 02:50

Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinetic energy does he have after going down the hill?

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  1. 9 October, 03:17
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    The kinetic energy of an object is given by:

    Kinetic energy = 1/2 * mass * velocity²

    Therefore, if the velocity of an object is doubled, its kinetic energy will increase 4 times. We may verify this mathematically as:

    New velocity = 8 m/s

    K. E = 1/2 * 80 * 8²

    K. E = 2,560 J

    The new kinetic energy will be 2,560 Joules
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