An inclined track ends in a circular loop of diameter .D.. From what height on the track a particle should be released so that it completes that loop in the vertical plane ?

An inclined track ends in a circular loop of diameter .D.. From what h

1.	An inclined track ends in a circular loop of diameter .D.. From what height on the track a particle should be released so that it completes that loop in the vertical plane ?
Answer» `(5D)/(2)` `(2D)/(5)` `(5D)/(4)` `(4D)/(5)` Answer :C