Question #271214

if an object of 80kg falls from a height of 90m what is the potential energy?


1
Expert's answer
2021-11-24T19:12:52-0500
PE=mgh=80 kg×9.8 ms2×90 m=70560 J.PE=mgh=80\ kg\times9.8\ \dfrac{m}{s^2}\times90\ m=70560\ J.

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