Grade 11IIT JEE Entrance Exam
Please explain how to solve question in image attached.......full and clearly....#.........?.........🙏
Please explain how to solve question in image attached.......full and clearly....#.........?.........🙏
1 Answer
Arun
Dear student
if initial velocity of X is u m/s , then after collision its velocity will be -u×e m/s
change in momentum = m[ u - (-u×e) ] = mu(1+e) = p(1+e) ............(1)
where e is coeffficient of restitution
impulse = change in momentum
Hence J = p(1+e) or e = (J/p) -1
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