Two bodies of different masses ${m_1}$ and ${m_2}$ have equal momenta. Their kinetic energies ${E_1}$ and ${E_2}$ are in the ratio

  • A

    $\sqrt {{m_1}} :\sqrt {{m_2}} $

  • B

    ${m_1}:{m_2}$

  • C

    ${m_2}:{m_1}$

  • D

    $m_1^2:m_2^2$

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