Physics

Can someone plz answer my 2 previous question ???

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  1. I will have to find them first

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  2. drwls here it is :
    How much energy would your body need to provide for the following :
    a)sweating and evaporation of 1kg of water from your skin.
    b)heat loss by radiation at the rate of 100 wats for 12 hours.

    (the specific latent heat of vaporisation of water is 2.3MJkg-1)

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