A test automobile of mass 1000 kg moving at high speed crashes into a wall. The average temperature of the car is measured to rise by 0.5°C after the wreck. What is the change in mass of the car? Where does this change in mass come from? (Assume the average specifi c heat of the automobile is close to that of steel, 0.11 cal . g-1 .°C-1.)

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A test automobile of mass 1000 kg moving at high speed crashes into a wall. The average temperature of the car is measured to rise by 0.5°C after the wreck. What is the change in mass of the car? Where does this change in mass come from? (Assume the average specifi c heat of the automobile is close to that of steel, 0.11 cal . g-1 .°C-1.)

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