NEET 2018 Physics Circular Motion MCQ Question
A body initially at rest and sliding along a frictionless track from a height h (as shown in the figure) just completes a vertical circle of diameter AB = D. The height h is equal to

3/2 D
D
7/5 D
5/4 D
Correct Answer
Detailed Explanation
Using energy conservation and the condition for completing a vertical circle, we solve for h.
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