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

_____________ energy. Calculate it.

User Donmartin
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1 Answer

12 votes
12 votes

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

User Kevin Nelson
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