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Physics, 25.09.2019 08:30 coopkm24

Aroller coaster has a mass of 275kg. it sits at the top of a hill with a height 85m if it drops from this hill, how fast is it going when it reaches the bottom [ assume there is no air resistance of friction]

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Aroller coaster has a mass of 275kg. it sits at the top of a hill with a height 85m if it drops from...

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