Arunner generates 1260 w of thermal energy. if this heat has to be removed only by evaporation, how much water does this runner lose in 15 minutes of running? the latent heat of vaporization of water is 22.6 × 105j/kg.

0.502kg

Explanation:

F4om the relation

Power x time = mass x latent heat of vapourization

P.t=ML

1260 * 15 *60 = M * 22.6 * 10^5

M= 1134000/(22.6 *10^5)

M=0.502kg=502g

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