A man whose mass is 75kg walks up a stairs each 20cm high in5seconds.calculate the power expended in watts.[assume g=10m\s2

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  1. 20cm/step
    12 steps?.
    d = 20 * 12 = 240cm. = 2.40m.

    P = F * d/t = Mg * d/t.
    P = 750 * 2.4/5 = 360 J/s = 360 Watts.

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  2. Yeah i think its the right one

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  3. You are an Ewuinma

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