The correct answer is A.
In this case, the potential energy of the skydiver increases as he jumps from an airplane that is 4 kilometers above the Earth.
In which case is potential energy increasing?
A.
a skydiver jumps from an airplane that is 4 kilometers above the Earth
B.
a 20 kilogram boulder rolls down a hill that is 430 meters high
C.
a spring of a dart gun launches a dart in a straight line from rest position
D.
a weightlifter lifts a 20 kilogram barbell above his head
1 answer