JEE PYQ: Motion In One Dimension Question 23
Question 23 - 2019 (08 Apr Shift 1)
Ship A is sailing towards north-east with velocity $\vec{v} = 30\hat{i} + 50\hat{j}$ km/hr where $\hat{i}$ points east and $\hat{j}$, north. Ship B is at a distance of 80 km east and 150 km north of Ship A and is sailing towards west at 10 km/hr. A will be at minimum distance from B in:
(1) 4.2 hrs
(2) 2.6 hrs
(3) 3.2 hrs
(4) 2.2 hrs