Engineering
Physics
Collision
Question

A light inextensible string AB has the end A fixed to a vertical wall. The ends B is attached to a small elastic object which is drawn a side, from the wall, until the string makes an angle of 60° with the wall. The particle is then released from rest. Find the angle which the string makes with the wall when the particle next comes to instantaneous rest if the value of e is 34.

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Solution
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