A) different speeds in different directions
B) different speeds in same direction
C) same speed in same direction
D) same speed in opposite directions
Correct Answer: D
Solution :
| [d] They move with same speed in opposite directions in order to conserve their linear momentum. |
| \[\operatorname{i}.e.{{m}_{1}}{{v}_{1}}+{{m}_{2}}{{v}_{2}}\]=0 |
| \[\therefore \ \ \ \ {{v}_{1}}=-{{v}_{2}}\] \[[\because \ {{m}_{1}}={{m}_{2}}]\] |
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