a. What is the Potential energy (PE) of a 2 kg (mass) hammer which is 0.4 meter up? (use g = 9.8) Show your work.
b. What is the PE of an object with a mass of 10 kg, and 2 meters up?
c. Finish this sentence to describe what happens to potential energy: As the height of an object increases…
d. Which has more potential energy, a bowling ball on the floor or a grape on the floor? Explain.

