physics

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A sprinter has a mass of 82.0 kg. If the sprinter is running at a speed of 22.5 km/h, determine his kinetic energy. __________ × 103 J.

  • physics -

    assume you mean 10^3

    v = 22.5 km/hr (1 hr/3600 s)(1000 m/km)

    answer = (1/2)(82)(v^2) Joules

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