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
${m_1}/{m_2}$
$1$
${m_1}{v_2}/{m_2}{v_1}$
${m_2}/{m_1}$
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
$E = \frac{{{P^2}}}{{2m}}$ ==> $E \propto \frac{1}{m}$ ==> $\frac{{{E_1}}}{{{E_2}}} = \frac{{{m_2}}}{{{m_1}}}$
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