MHT CET 2025 Physics question
A sphere of mass 'm', moving with velocity '3u' collides head-on with another identical sphere at rest. If 'e' is coefficient of restitution then what will be the ratio of velocity of the second sphere to that of first sphere after collision?
Answer: (B)
Solution
Let the velocities after collision be and . Momentum conservation (equal masses): . Definition of restitution: . Adding: ; subtracting: $ =
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