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Applications of Horizontal and Vertical Components

A ball of mas...

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A ball of mass m is dropped from height h on a horizontal floor which collides with it with speed u. If coefficient of restitution in floor is e, then impulse imparted to ball by the floor on its second rebounce is(1) meu(2) meu (e + 1)(3) me^2u (e + 1)(4) me^2u (e-1)

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Q. A ball of mass

m

is dropped from height

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on a horizontal floor which collides with it speed

u

. If coefficient of restitution in floor is

e

, then impulse imparted to ball by the floor on its second rebounce is:

Q. A ball is dropped from a height

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

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

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Q. A ball is dropped from a height

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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,

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is coefficient of restitution between the ball and the floor)

Q. A ball is dropped from a height

h

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

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

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is coefficient of restitution between the ball and the floor)

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with it as shown in figure. The magnitude of impulse imparted to surface by ball is [Coefficient of restitution of collision is e]

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