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Two particles of mass \( M_{A} \) and \( M_{B} \) and there velocities are \( V_{A} \) and \( V_{B} \) respectively collides.
\( \mathrm{P} \) After collision they inter changes their velocities

W then ratio of \( \frac{M_{A}}{M_{B}} \) is:
(1) \( \frac{V_{A}}{V_{B}} \)
(2) \( \frac{\mathrm{V}_{\mathrm{B}}}{\mathrm{V}_{\mathrm{A}}} \)
(3) \( \frac{\left(V_{A}+V_{B}\right)}{\left(V_{B}-V_{A}\right)} \)
(4) 1
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