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Physics

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An 80 kg man climbs a 50 m-high hill in 20 minutes. What is the average power in watts he expends climbing the hill?

  • Physics -

    F = m*g = 80kg * 9.8N/kg = 784 N.

    P = F*d/t = 784 * 50/1200s. = 32.67 J/s
    = 32.67 Watts.

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