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velocity of the roller coaster

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A 350 roller coaster starts from rest at point A and slides down the frictionless loop, which is shown in the accompanying figure (see attachment)

How fast is this roller coaster moving at point B? v = ? m/s

How hard does it press against the track at point B? F = ? N

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Solution Summary

It finds out the velocity of the roller coaster when it slides down a frictionless loop. The solutoin is detailed and well presented.

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