High School Physics Heat Capacity

Worksheet 8- Section 10.3

Heat Capacity

1. How many calories are burned when a person of mass of 50 kg climbs a height of 20 m? Assume a metabolic efficiency is 100 %.

2. Suppose 79.3 J of thermal energy is added to a 111 g piece of aluminum at 22.5 °C. What is the final temperature of the aluminum? ( c = 900 J/kg c⁰)

3. How much thermal energy is required to raise the temperature of a 55 g glass ball by 15 °C?( c = 837 J/kg c⁰)

4. How much thermal energy is required to raise the temperature of a 0.75 kg piece of copper pipe by 15 °C? (c = 387 J/kg c⁰)