Gravitation - Result Question 17
17. A roller coaster is designed such that riders experience “weightlesness” as they go round the top of a hill whose radius of curvature is
[2008]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 17. (a)
Solution:
- (a) For the riders to experience weightlessness at the top of the hill, the weight of the rider must be balanced by the centripetal force.
i.e.,
Hence, the speed of the car should be between
