Physics, 12.02.2021 14:00, twiddleturd

A roller coaster car with a mass of 17,690 kg is moving at a speed of 5 m/s over a hill that is 87.4 m above the ground. What is the total mechanical energy of the car-Earth system?

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A roller coaster car with a mass of 17,690 kg is moving at a speed of 5 m/s over a hill that is 87.4...