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23 June, 06:27

How much water must the jogger's body evaporate every minute due to his activity? the heat of vaporization of water at body temperature is 2.42*106 j/kg?

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  1. 23 June, 08:40
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    The mass of water, jogger body evaporates every minute is 0.117 gm/min.

    The average jogger body reseal heat at a rate of 284 J/min.

    Therefore the mass of water vapour evaporate from the jogger body is calculated as

    Q=ml

    284=m*2.42*10^6 J/kg

    m=0.117 gm/min
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