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28 Nov 2020
A single frictionless roller-coaster car of mass m = 825 kg tops the first hill with speed Ā = 17.0 m/s at height h = 42.0 m. What is the speed of the car at (a) point A, (b) point B, and (c) point C? (d) How high will the car go on the last hill, which is too high for it to cross?
A single frictionless roller-coaster car of mass m = 825 kg tops the first hill with speed Ā = 17.0 m/s at height h = 42.0 m. What is the speed of the car at (a) point A, (b) point B, and (c) point C? (d) How high will the car go on the last hill, which is too high for it to cross?
Mohd TalibLv10
27 Dec 2020
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