Two bodies of different masses $m_1$ and $m_2$ have the same kinetic energy. If $p_1$ and $p_2$ are their respective momenta,find the ratio $p_1 : p_2$.
- A$m_1 : m_2$
- B$m_2 : m_1$
- C$\sqrt{m_1} : \sqrt{m_2}$
- D$m_1^2 : m_2^2$
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