Ring Dynamics
A ring of radius
and a small ball of the same mass are placed on a frictionless horizontal floor. The ball is at a distance
from centre of
the ring. Now both of them are given opposite velocities of equal moduli
in directions perpendicular to the line joining the centre
of the ring
and location
of the ball. All the collisions betwe~n them are perfectly elastic.
Find the minimum and maximum separations between them during process of their motion.
Answer comes in the form of
and
Type your answer as
The answer is 1.5.
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