Ship A is sailing towards north-east with velocity km/hr where points east and , north. Ship B is at a distance of 80 km east and 150 km north of Ship A and is sailing towards west at 10 km/hr. A will be at minimum distance from B in :
2.6 hrs.
2.2 hrs.
4.2 hrs.
3.2 hrs.
2.6 hrs.
Option 2)2.2 hrs.
Option 3)4.2 hrs.
Option 4)3.2 hrs.
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