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23 Nov 2019

A roller coaster car has a mass of 1,200kg when fully loaded with passengers. AS the car passes over the top of a circular hill of radious 18m, its speed is not changing. At the top of the hill, what are the (a) magnitude and direction (up or down) of the normal force on the car from the track if the car's speed is 11m/s? what are the (b) direction and Normal force if speed 14 m/s?

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Nelly Stracke
Nelly StrackeLv2
9 Sep 2019
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