15-102. The 800-lb roller-coaster car starts from rest onthe track having the shape of a cylindrical helix. If the helixdescends 8 ft for every one revolution, determine the timerequired for the car to attain a speed of 60 ft/s. Neglectfriction and the size of the car.T8 ft8 ft

Given data: The weight of the roller coaster is, W=800 lb The radius is, r=8 ft The height is, h=8…

Answered: 15-102. The 800-lb roller-coaster car…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The 5-lb collar slides on the smooth rod, so that when it is at A it has a speed of 10 ft/s. If the spring to which it is attached has an unstretched length of 2 ft and a stiffness of k = 7.6876 lb/ft, determine the normal force on the collar and the acceleration of the collar at this instant. 10 ft/s y = 8-
r= 0.3 (1 + cos 0) m 500 N/m The 3-kg collar slides along the smooth rod after being nudged from rest at A, and travels along the rod to pass point B. Given that the free length of the spring is 100 mm and that r is the actual length of the spring: Draw Free Body Diagrams for the collar at position A and at position B.
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15-102. 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 time required for the car to attain a speed of 60 ft/s. Neglect friction and the size of the car. T8 ft 8 ft