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Question

Two bodies of masses m and 4m are moving with equal K.E. The ratio of their linear momenta is

A
1:2
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B
1:4
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C
4:1
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D
1:1
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Solution

The correct option is A 1:2
We know that the relation between the linear momentum P and the kinetic energy K is given by,

P=2mK

P1P2=m4m=1:2

Hence option A is the correct answer

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