Question: 1 5 - 1 0 2 . The 8 0 0 - l b roller - coaster car starts from rest on the track having

15-102. The 800-lb roller-coaster car starts from rest on the track having the shape of a cylindrical helix. If the normal force of the tracks on the car has a transverse component of N=68lb, determine the transverse component of its velocity in t=4s. Also, what is the car's velocity when it descends 8 ft ? Neglect the size of the car.
15
Probs. 15-101/102
1 5 - 1 0 2 . The 8 0 0 - l b roller - coaster

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