Questions

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

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4:1

1:1

1:2

1:4

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detailed solution

Correct option is C

( K.E. )1=( K.E. )2 Momentum P=2mE∝m ∴ P1P2=m1m2=m4m=12 P1:P2=1:2

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