A and B are two ships at some distance apart moving at different velocities along different directions. The relative velocity of B relative to A is 20 km/hour along a direction as shown. If the two ships take
14 hour to reach their distance for closest approach, find the distance of closest approach. (in km)
![788194_02afe29b1d864c28be1b733a81654efb.png](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/788194_02afe29b1d864c28be1b733a81654efb.png)