Physics, 17.11.2020 19:40 kaneisha20

A roller coaster car is at the top of a 65.0 m crest. If the roller coaster car has 987,000 J of potential energy, what is its mass?

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A roller coaster car is at the top of a 65.0 m crest. If the roller coaster car has 987,000 J of pot...