Physics-
General
Easy
Question
When two bodies collide normally, they exert equal and opposite impulses on each other. Impulse = change in linear momentum. Coefficient of restitution between two bodies is given by :– 
for elastic collision Two bodies collide as shown in figure. During collision they exert impulse of magnitude J on each other. For what values of J (in N–s) the 2 kg block will change its direction of velocity :
- J < 12
- J > 12
- J < 10
- J > 10
The correct answer is: J < 12
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When two bodies collide normally, they exert equal and opposite impulses on each other. Impulse = change in linear momentum. Coefficient of restitution between two bodies is given by :– for elastic collision Two bodies collide as shown in figure. During collision they exert impulse of magnitude J on each other. If the collision is elastic, the value of J is N–s :
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