HELP ME NOW PLEASE !!! A stone of 4.5 kg mass is falling from the top of a 60 m high multi storey building.Find the kinetic energy of the stone when it reaches the ground.

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asked Apr 4, 2023 205k views

21 votes

HELP ME NOW PLEASE !!!

A stone of 4.5 kg mass is falling from the top of a 60 m high multi storey building.Find the kinetic energy of the stone when it reaches the ground.

Physics
high-school

Kosuke Ogawa asked

by Kosuke Ogawa

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1 Answer

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The kinetic energy will be equal to the potential energy at top

PE=mgh

m is mass

h is height

PE=4.5(60)(9.8)
PE=2646J

Michael Blood answered Apr 9, 2023

by Michael Blood

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