At 2.5 seconds, the helicopter has a kinetic energy of 20 J. What is its mechanical energy at that time?

Question

Physics

Aiyana Moss

14 July, 20:14

At 2.5 seconds, the helicopter has a kinetic energy of 20 J. What is its mechanical energy at that time?

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Answers (1)

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Ryan Boyle · Answer 1

Energy per time is called the power. It is the rate of energy. For this question, we simply divide the values. We do as follows:

Mechanical energy per time = 20 J / 2.5 s = 8 J / s

Hope this answers the question. Have a nice day.