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Grade: 12th pass
        A plastic ball is dropped from height of 1m and rebounds several times from floor.if 1.3s elapses from the moment it is dropped to the second impact with the floor, what is the coefficient of restitution.
2 years ago

Answers : (1)

Vikas TU
6923 Points
							
For restitution coeff.,
U = root(2gh) => root(20) = > 4.47 m/s
V = root(2gh) + g*1.3 = > 4.47 + 13 => 17.47
 
e = V/U => 17.47/4.47 = > 3.90 
2 years ago
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