Ship A is sailing towards north-east with velocity v = 30î +50j km/hr where î points east and j, north. Ship B is at a distance of 80 km east and 150 km north of Ship A and is sailing towards west at 10km/hr. A will be at minimum distance from B in - VgyanHub

Question:

Ship A is sailing towards north-east with velocity v = 30î +50j km/hr where î points east and j, north. Ship B is at a distance of 80 km east and 150 km north of Ship A and is sailing towards west at 10km/hr. A will be at minimum distance from B in

Options :

(a) 4.2 hrs
(b) 2.6 hrs
(c) 3.2 hrs
(d) 2.2 hrs

Answer :

(b) 2.6 hrs

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