Question

18. A motorcycle has to move with a constant speed on an
overbridge which is in the form of a circular are of radius
R and has a total length L. Suppose the motorcycle
starts from the highest point. a) What can its maximum
velocity be for which the contact with the road is not
broken at the highest point? If the motorcycle goes
at speed 1/12 times the maximum found in part (a),
where will it lose the contact with the road ? SCT What
maximum uniform speed can it maintain on the bridge
if it does not lose contact anywhere on the bridge ?​

Answer 1

see attachment for explanation

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