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Two bodies with kinetic energies in the ratio of 4:1 are moving with equal linear momentum. The ratio of their masses is

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`P=sqrt(2mk)` Here `P_1=P_2`
`sqrt(2m_1k_1)`=`sqrt(2m_2k_2) therefore (m_1)/(m_2)=(k_2)/(k_1)=1/4`
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