A frictionless track ABCDE ends in a circular loop of radius R. A body slides down the track from point A which is at a height h = 5 cm. Maximum value of R for the body to successfully complete the loop is'
(A) 5 cm
(B) 15/4 cm
(C) 10/3 cm
(D) 2 cm
The correct option-**(D) 2 cm**
Explanation:-