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Standard XII

Physics

Bouncing Ball Example

Two bodies co...

Question

Two bodies collide at the same temperature. Which of the following must remain conserved?
(i) Velocity
(ii) Momentum
(iii) Kinetic energy

Only (i) and (ii)

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Only (ii)

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Only (i) and (iii)

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(i), (ii) and (iii)

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Solution

The correct option is B Only (ii)
Since no external force acts during collision, so only linear momentum is conserved during collision. Kinetic energy is conserved only in case of perfectly elastic collision.

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Two bodies collide at the same temperature. Which of the following must remain conserved?(i) Velocity(ii) Momentum(iii) Kinetic energy

The correct option is B Only (ii)Since no external force acts during collision, so only linear momentum is conserved during collision. Kinetic energy is conserved only in case of perfectly elastic collision.

Two bodies collide at the same temperature. Which of the following must remain conserved?
(i) Velocity
(ii) Momentum
(iii) Kinetic energy

The correct option is B Only (ii)
Since no external force acts during collision, so only linear momentum is conserved during collision. Kinetic energy is conserved only in case of perfectly elastic collision.