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centripetal acceleration on Frictionless Surface

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A car is to be launched down a frictionless track by compressing a spring behind the car and releasing it - much the same as a pinball machine. If the track contains a circualr vertical loop of radius R, how far must the spring be compressed (x) in order for the car to stay on the track?
Given: mass of the car m=840kg. R=6.2m

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Solution Summary

This job showcases centripetal acceleration.

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