Compare the potential energy of a 5 lb ball at the top of a 5 foot hill and a 5 lb ball at the top of a 10 foot hill.
a. their potential energies are the same because they have the same mass.
b. the ball at the top of the 5 foot hill has the least potential energy.
c. the ball at the top of the 5 foot hill has the most potential energy.
d. potential energy doesn't depend on a object's relative height.
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