MCQ
For perfectly elastic collision
- A$v _2- v _1= u _2- u _1$
- B$v_1-v_2=u_1-u_2$
- ✓$v_2-v_1=u_1-u_2$
- D$v_2-v_1=\frac{u_1+u_2}{2}$
✓
Answer
Correct option: C.
$v_2-v_1=u_1-u_2$
C
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