Question

Rina's remote-controlled helicopter was on the ground with fully charged batteries. She turned the helicopter on and flew it straight up to its maximum altitude. She continued flying the helicopter at its maximum altitude until its batteries ran out of charge and the helicopter's engines stopped. The helicopter fell toward the ground and got stuck in the branches of a tree.When was the least gravitational potential energy stored between the helicopter and Earth?

Answer 1

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Step-by-step explanation: