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10 July, 16:23

the 89.5kg boulder begins rolling down the 35.2m hill with a speed of 5.43m/s. Calculate the kinetic energy

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  1. 10 July, 20:05
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    Answer;

    = 1319.45 Joules

    Explanation;

    Kinetic energy is the energy possessed by a body in motion;

    It is given by the formula; 1/2mv², where m is the mass of the body and v is the velocity.

    mass = 89.5 kg and v = 5.43 m/s

    Therefore;

    Kinetic energy = 1/2 * 89.5 * 5.43 ²

    = 1319.45 Joules
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