MHT CET 2026 Physics question
Two masses m and m moving with velocities V and V in opposite directions collide elastically and after collision m and m move with velocities V and V respectively. The ratio is
Answer: (D)
Solution
Take the direction of 's initial motion as positive, so before the collision has velocity and has . After the collision the masses have exchanged velocities: moves with and with . Momentum conservation: , i.e. $+ =
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