A cinder block is sitting on a platform 20m high. It weighs 7.9kg. The block has _____________ energy. Calculate it.

asked Mar 8, 2022 64.0k views

3 votes

A cinder block is sitting on a platform 20m high. It weighs 7.9kg. The block has

_____________ energy. Calculate it.

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Height=h=20m

Mass=m=7.9kg

$\\ \rm\longmapsto P.E=mgh$

$\\ \rm\longmapsto P.E=20(10)(7.9)$

$\\ \rm\longmapsto P.E=20(79)$

$\\ \rm\longmapsto P.E=1580J$

Donald Webb answered Mar 12, 2022

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