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A roller coaster is nearly at rest at the top of a hill that is 54 m high. If the mass of the coaster is 450 kg.?
(a) How fast would it travel at the bottom if the hill?
1 AnswerPhysics4 years agosimplify y=3(2/3)^2 - 4(2/3) - 2. No decimal.?
2 AnswersHomework Help7 years ago