During a workout, a shot-putter loses 0.175 kg of water through evaporation. The heat required to produce the evaporation (a phase change from liquid water to water vapor) comes from the athlete's body. During his exercise, the shot-putter does
(a) Assuming it requires
(b) Find the change in the internal energy of the shot-putter during his workout.
(c) Determine the minimum number of food Calories that must be consumed to replace this loss of internal energy.
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