History, 27.02.2020 21:54 shiny9362

A roller coaster with a potential energy of 235,200 J sits at the top of a 30 m high hill. What is the mass of the roller coaster? (Formula: PE = mgh)

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A roller coaster with a potential energy of 235,200 J sits at the top of a 30 m high hill. What is t...

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