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a roller 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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a roller 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]

User Zonabi
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a roller coaster has a mass of 275kg. it sits at the top of a hill with a height 85m-example-1
User BraveSirFoobar
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