Physics, 06.07.2019 06:50 harvzoie

Aroller coaster has a mass of 425 kg. it sits at the top of a hill with height 66 m. if it drops from this hill, how fast is it going when it reaches the bottom? (assume there is no air resistance or friction.)

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Aroller coaster has a mass of 425 kg. it sits at the top of a hill with height 66 m. if it drops fro...

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