Suppose the gravitational potential energy for a mass at an altitude of one Earth radius is PE1 and at two Earth radii is PE2 . How do the absolute values of these potential energies compare?
a. |PE1| = 2|PE2|
b. |PE1| = 4|PE2|
c. |PE1| < 2|PE2|
d. |PE1| > 2|PE2| but is not equal to 4|PE2|
c
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