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17 June, 13:55

A runner has a speed of 5 m/s and a mass of 130 kg. What is his kinetic energy?

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Answers (2)
  1. 17 June, 14:38
    0
    We know that:

    Ek=1/2mv²

    Ek=1/2 (130kg) (5m/s) ²

    EK=1625J
  2. 17 June, 17:08
    0
    M = 130 kg

    v = 5 m/s

    kinetik energy = ½• m•v²

    = ½ • 130• 5²

    = ½•130•25

    = ½•3250

    = 1625.
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