A runner generates 1260 W of thermal energy. If this heat has to be removed only by evaporation, how much water does this runner

Question

2 years ago

8

lose in 15 minutes of running? The latent heat of vaporization of water is 22.6 × 105J/kg.

1 answer:

sergey [27] · Answer 1 · 2022-08-15T10:16:21+03:00

3 0

Answer: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