A frictional track ABCDE ends in a circular loop of radius R, body slides down the track from point A which is at a height h of 5 cm. Maximum value of R for the body to successfully complete the loop is:

A frictional track ABCDE ends in a circular loop of radius R, body sli

1.	A frictional track ABCDE ends in a circular loop of radius R, body slides down the track from point A which is at a height h of 5 cm. Maximum value of R for the body to successfully complete the loop is:
A.	5 cm
B.	10/3 cm
C.	2 cm
D.	15/4 cm
Answer» D. 15/4 cm