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17 March, 15:26

Mr. Payne (80 kg) rides a motorcycle around a vertical loop 32 meters in diameter. At the top, his tires just touch the track. What velocity does he have to ride maintain minimal contact with the loop?

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  1. 17 March, 18:28
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    We are given

    m = 80 kg

    d = 32 m

    We are asked for the velocity to keep the man from falling when he is at the top

    The formula to use is

    mg = mv²/r

    g = v²/r

    v = √rg

    v = √ (32/2) (9.81)

    v = 156.96 m/s
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