NEET | 2018FrictionHard
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 :-
Options
A.
B.
D
C.
D.
Solution
To complete a vertical circle, speed at A should be
VA =
using energy conservation
mgh =
h =
h =
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