Biology, 31.08.2021 15:10, tati7149

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

Answers: 3

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In which case is potential energy increasing? A.
a 20 kilogram boulder rolls down a hill th...