Physics, 26.11.2020 21:20, lolz55678

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)
O 800 kg
O 7,840 kg
O 8,000 kg
O 78,400 kg

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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...