Two ships A and B are 10km apart on a line running south to north. Ship A farther north is streaming west at 20 km/h and ship B is streaming north at 20 km/h. Their distance of closest approach and how long do they take to reach it ?

Two ships A and B are 10km apart on a line running south to north. Shi

1.	Two ships A and B are 10km apart on a line running south to north. Ship A farther north is streaming west at 20 km/h and ship B is streaming north at 20 km/h. Their distance of closest approach and how long do they take to reach it ?
Answer» `5sqrt(2)`KM, 15 MIN `5sqrt(2)` km, 1.5 min `5sqrt(2)`km, 0.5 min `5sqrt(2)`km, 15 sec Answer :A