MHT CET Physics question
A wooden block of mass ‘m’ moves with velocity ‘V’ and collides with another block of mass ‘4m’, which is at rest. After collision the block of mass ‘m’ comes to rest. The coefficient of restitution will be [MHTCET 2023]
Answer: (B)
Solution
gives , so ; the other values do not follow. Hence the correct option is (b).