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Ship A is sailing towards north-east wit...

Ship `A` is sailing towards north-east with velocity `vecr=30hati+50hatJ km//hr` where `hati` points east and `hatj`, north. Ship `B` is at a distance of `80km` east and `150km` norht of Ship `A` and is sailing towards west at `10km//hr`. A will be at minimum distance from `B` in:

A

4.2 h

B

3.2 h

C

2.6 h

D

2.2 h

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The correct Answer is:
C
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