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Question

If the momentum of a body is increased by 100 %, then the percentage increase in the kinetic energy is


A

150 %

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B

200 %

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C

225 %

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D

300 %

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Solution

The correct option is D

300 %


E=P22mE2E1=(P2P1)2=(2PP)2=4

E2=4E1=E1+3E1=E1+300% of E1


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