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What will be the magnitude of change in momentum imparted by the floor to a ball of mass 1 kg if it falls from the height of 100 cm on the floor and rebound vertically upward with same speed

What will be the magnitude of change in momentum imparted by the floor to a ball of mass 1 kg if it falls from the height of 100 cm on the floor and rebound vertically upward with same speed

Grade:9

1 Answers

Varad Raut
9 Points
5 years ago
At the moment before the collision speed of the ball is 1.414m/s by v^2-u^2=2aS   and momentum before collision is +1.414 Kg m/s and momentum after collision is -1.414kg m/s therefore magnitude of change in momentum is 2.828

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