A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop?
(a) D
(b)4/5 D
(c)5/4 D
(d) 2D

Question

Saurabh Koranglekar · Answer

Dear student The answer is option c Regards

Vikas TU · Answer

Velocity at bottom of loop to do complete circular motion is √5gr , where r is radius. By applying conservation of energy : mgh=(1/2)*m(5gd/2) h=5d/4

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A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop? (a) D (b)4/5 D (c)5/4 D (d) 2D

A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop?
(a) D
(b)4/5 D
(c)5/4 D
(d) 2D

2 Answers

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A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop? (a) D (b)4/5 D (c)5/4 D (d) 2D

A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop? (a) D (b)4/5 D (c)5/4 D (d) 2D

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A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop?
(a) D
(b)4/5 D
(c)5/4 D
(d) 2D