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Newton's Laws for System of Particles

Question

When the velocity of a body is doubled
kinetic energy is doubled
acceleration is doubled.
potential energy is doubled.
momentum is doubled.

A

kinetic energy is doubled

B

momentum is doubled.

C

potential energy is doubled.

D

acceleration is doubled.

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Solution

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Momentum is directly proportional to the velocity, hence if velocity is doubled momentum will be doubled.

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