MCQ
Two equal masses $m_1$ and $m_2$ moving along the same straight line with velocities $+3 \mathrm{~m} / \mathrm{s}$ and $-5 \mathrm{~m} / \mathrm{s}$ respectively collide elastically. Their velocities after the collision will be respectively
- A$+4 \mathrm{~m} / \mathrm{s}$ for both
- B$-3 \mathrm{~m} / \mathrm{s}$ and $+5 \mathrm{~m} / \mathrm{s}$
- C$-4 \mathrm{~m} / \mathrm{s}$ and $+4 \mathrm{~m} / \mathrm{s}$
- ✓$-5 \mathrm{~m} / \mathrm{s}$ and $+3 \mathrm{~m} / \mathrm{s}$
