PHYA11H3 Lecture 19: [PHYA11][Lec 19]-[Chap. 10.1-10.4_ The Law of Conservation of Energy, Kinetic and Gravitational Potential Energy]

KEY TERMS

1. work (4.1)                 6. potential energy                                      11. watt

2. joule                         7. gravitational potential energy                   12. horsepower

3. foot-pound                8. conservation of total energy (4.3)             13. kilowatt-hour

4. energy (4.2)              9. conservation of mechanical energy           14. alternative energy source (4.6)

5. kinetic energy           10. power (4.4)                                           15. renewable energy sources

For each of the following items, fill in the number of the appropriate key term from the preceding list.

c. _ _ _ _ Unit of electrical energy

Calculate the gravitational potential energy and kinetic energy for each position marked.