A bouncing ball of mass 
falls from the height of 
on a horizontal ground. After every impact with the ground, the velocity of the ball decreases by 
times. The total momentum, the ball imparts on to the ground after 3 impacts is (Let 
)
Text Solution
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Mass of ball, 
and height of the ball, 
Velocity of ball just before first collision
Momentum imparted to the ground in first impact
Velocity of the ball just before second collision will be 5 
and velocity after impact will be 
collision. Momentum imparted to ground in second collision.
Velocity of ball just before third impact 
and velocity after impact 
Hence, momentum imparted to ground in third impact,
Total momentum imparted to the ground,
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