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Dropping Objects

10. A ball is...

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10. A ball is dropped from a height of 80 m on a floor At each collision ball losses half of its speed then the graph between speed v/s time is

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Q. A ball is dropped from a height of 90 m on a floor. At each collision with the floor, the ball loses one tenth of its speed. Plot the speed-time graph of its motion between t = 0 to 12 s.

Q. A ball is dropped from a of height 80 m. It hits the ground and rebounds with half the speed before collision. Draw its velocity-time graph.

Q. A ball is dropped from a height

h

on to a floor. If in each collision its speed becomes

e

times of its striking value, then time taken by ball to stop rebounding is (Here,

e

is coefficient of restitution between the ball and the floor)

Q. A ball is dropped from a of height

80 m

. It hits the ground and rebounds with half the speed before collision. Draw its velocity-time graph.

Q. A ball is dropped from a height

h

on to a floor. If in each collision its speed becomes

e

times of its striking value, then total change in momentum of ball when it stops rebounding is (Here,

e

is coefficient of restitution between the ball and the floor)

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