Modelling collisions - class-XII
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Multiple Choice
When a ball collides head-on and elastically with an identical ball on a horizontal frictionless surface,comes to rest while the second one moves with the same velocity as that of the first ball before coillision .
- Can be derived by using momentum conservation alone.
- Can be derived by using energy conservation alone
- cannot be derived by using any to the two conservation principles.
- Can be derived by using both conservation of energy and momentum