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6 September, 19:02

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?

J

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  1. 6 September, 19:09
    0
    2560J

    Explanation:

    KE = 1/2mv^2 so plug in the numbers to get

    KE = 1/2 (80) (8) ^2

    KE = 2560
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