The ball A is reached and it makes head on collision with B. The masses of A and B are same 1. After collision

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The ball A is reached and it makes head on collision with B. The masses of A and B are same 1. After collision , A comes to rest and B moves with velocity of A just before collision 2. The maximum height attained by ball B is L/2 3. The maximum angle made by string attached to B is 60^∘ 4. All options are correct
22
Oct
The ball A is reached and it makes head on collision with B. The masses of A and B are same 1. After collision , A comes to rest and B moves with velocity of A just before collision 2. The maximum height attained by ball B is L/2 3. The maximum angle made by [...]
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Tags: A neutron collides head-on and elasticity with an atom of mass number A , The ball A is reached and it makes head on collision with B. The masses of A and B are same 1. After collision , which is initially at rest. The fraction of kinetic energy retained by neutron is ,