Question #155501

A body fell through the atmosphere and experienced air resistance. As it fell, it gained 40 J of kinetic energy. How much gravitational potential energy did it lose?


1
Expert's answer
2021-01-14T10:37:55-0500

From the conservation of energy:


ΔEp=−ΔK=−40 J\Delta E_p=-\Delta K=-40\ J

It loses 40 J gravitational potential energy.


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