2:49 minutes
Problem 79a
Textbook Question

Assume that the kinetic energy of a 1400 kg car moving at 115 km/h (Problem 1.78) is converted entirely into heat. How many calories of heat are released, and what amount of water in liters could be heated from 20.0 °C to 50.0 °C by the car’s energy? (One calorie raises the temperature of 1 mL of water by 1 °C)

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