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3 June, 22:25

How fast is a 180 kg motorcycle traveling if it has 36000 J of kinetic energy?

how much kinetic energy does an 80 kg football player have if he is running at 3 m/s?

Answers (1)
  1. N
    4 June, 01:25
    0
    20 ms⁻¹

    360 J

    Explanation:

    Kinetic energy is the energy possessed by a moving object solely due to its motion.

    You can get the K. E. of an object using the equation,

    K. E. = (1/2) mv² where all terms in usual meaning

    So you get,

    K. E. = 36000 = (1/2) * 180*v²

    v = 20 ms⁻¹

    Also,

    K. E. = (1/2) * 80*3² = 360 J
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