When speed of a moving body is doubled

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4-1.Newton's Laws of Motion

easy

When the speed of a moving body is doubled

A

Its acceleration is doubled

B

Its momentum is doubled

C

Its kinetic energy is doubled

D

Its potential energy is doubled

Solution

(b) Its momentum gets doubled. momentum is mass times speed $p=m v$

Therefore when speed is doubled, momentum $'p'$ gets doubled. $p^{\prime}=2 p$

Standard 11

Physics

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