A stationary particle explodes into two particles of a masses $m_1$ and $m_2$ which move in opposite directions with velocities ${v_1}$ and ${v_2}.$ The ratio of their kinetic energies ${E_1}/{E_2}$ is
A stationary particle explodes into two particles of a masses $m_1$ and $m_2$ which move in opposite directions with velocities ${v_1}$ and ${v_2}.$ The ratio of their kinetic energies ${E_1}/{E_2}$ is
- [AIPMT 2003]
- A
${m_1}/{m_2}$
- B
$1$
- C
${m_1}{v_2}/{m_2}{v_1}$
- D
${m_2}/{m_1}$
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- [JEE MAIN 2021]
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