A ball hits the floor and rebounds after inelastic collision. In this case

The momentum of the ball just after the collision is the same as that just before the collision

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The mechanical energy of the ball remains the same in the collision

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The total momentum of the ball and the earth is conserved

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The total energy of the ball and the earth is conserved

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Solution

The correct option is C
The total momentum of the ball and the earth is conserved

By the conservation of momentum in the absence of external force total momentum of the system (ball + earth) remains constant.

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Q. A ball hits the floor and rebounds after an inelastic collision. In this case-

Q. A ball hits the floor and rebound after inelastic collision. In this case :

Q. A ball hits the floor and rebounds after an inelastic collision. In this case, choose the correct alternative from the following.

Answer carefully, with reasons :

(a) In an elastic collision of two billiard balls, is the total kinetic energy conserved during the short time of collision of the balls (i.e. when they are in contact) ?

(b) Is the total linear momentum conserved during the short time of an elastic collision of two balls ?

(d) If the potential energy of two billiard balls depends only on the separation distance between their centres, is the collision elastic or inelastic? (Note, we are talking here of potential energy corresponding to the force during collision, not gravitational potential energy).

Answer carefully, with reasons:

(a) In an elastic collision of two billiard balls, is the total kinetic energy conserved during the short time of collision of the balls (i.e. when they are in contact)?

(b) Is the total linear momentum conserved during the short time of an elastic collision of two balls?

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A ball hits the floor and rebounds after inelastic collision. In this case

The correct option is C The total momentum of the ball and the earth is conserved By the conservation of momentum in the absence of external force total momentum of the system (ball + earth) remains constant.

The correct option is C
The total momentum of the ball and the earth is conserved

By the conservation of momentum in the absence of external force total momentum of the system (ball + earth) remains constant.