MCQ
When two bodies collide elastically, then
- AKinetic energy of the system alone is conserved
- BOnly momentum is conserved
- ✓Both energy and momentum are conserved
- DNeither energy nor momentum is conserved
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| t(s) | 0 | 1 | 2 | 3 |
| x(m) | -2 | 0 | 6 | 16 |

