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Chemistry, 28.10.2020 01:00 lexybellx3

A roller coaster with a mass of 20kg sits at the top of a 30 m high hill. What is the Potential energy of the roller coaster? (Formula: PE=mgh)
(g= 9.8m/s)

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A roller coaster with a mass of 20kg sits at the top of a 30 m high hill. What is the Potential ener...

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