Calculate the power developed by a person while eating 100 g of ice per minute

cbse
thermalpropmatter

#1

A mass of ice eaten by the man per second.
m =100/60=5/3 g/s
Latent heat of ice,
L = 80 cal/g.
Therefore, energy required per second by the man in eating the ice, i.e., power developed by the man.
= mL =5/3 x 80 cal/s 3
=5x80/3x4.2J/s=560W