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at what rate must the jogger create sweat if he needs to dissipate 2500 kj/h through evaporation alone and maintain a constant body temperature? at what rate must the jogger create sweat if he needs to dissipate 2500 through evaporation alone and maintain a constant body temperature? 10 g/h 1.0 g/h 7600 g/h 1000 g/h

Sagot :

A jogger must produce sweat at a rate of 1000 g/hr in order to evaporate 2500 g while maintaining a steady body temperature. Evaporation is the process by which a substance changes.

from a liquid state to a gaseous one below the temperature at which it boils; in specifically, it is the way in which liquid water enters the atmosphere as water vapour. The air is refilled with moisture by evaporation, primarily from the sea and from plants. The concept of temperature is used to convey quantitatively how hot and cold something is.

Given the following information: specific heat = 3500 J, latent heat = 2.42*106 J/kg, and efficiency = 80%, we need to dissipate 2500 KJ every hour. Q = m*L, where L is latent heat, hence m*2.42*106 = 2500000.

m = 1.03 kg

so, the rate must the jogger create sweat  1000 g/hr.

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