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The 800-lb roller-coaster car starts from rest on the track having the shape of a cylindri...

The 800-lb roller-coaster car starts from rest on the track having the shape of a cylindrical helix. If the helix descends 8 ft for every one revolution, determine the speed of the car when t= 4 s. Also, how far has the car descended in this time? Neglect friction and the size of the car.

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Solutions For Problems in Chapter 15
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