A Runner Generates 1260 W of Thermal Energy

question 80

Multiple Choice

A runner 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
.

• A)50 g
• B)500 g
• C)35 g
• D)350 g
• E)40 g

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