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Please explain how to solve question in image attached.......full and clearly....#.........?.........šŸ™

Please explain how to solve question in image attached.......full and clearly....#.........?.........šŸ™

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Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
Ā 
if initial velocity of X is u m/s , then after collision its velocity will be -uƗe m/s
change in momentum = m[ u - (-uƗe) ] = mu(1+e) = p(1+e) ............(1)
Ā 
where e is coeffficient of restitution
Ā 
impulse = change in momentumĀ 
Ā 
Hence J = p(1+e)Ā  or e = (J/p) -1

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