Two ships are `10km` apart on a line from south to north.The one farther north is moving towards west at `40kmph` and the other is moving towards north at `40kmph`.Then distance of their closest approach is

Two ships are 10 km apart on a line joining south to north. The one farther north is steaming west at 20 km h^-1 . The other is steaming north at 20 km h^-1 . What their distance of closest approach ? How long do they take to reach itb ? .

Two ships A and B are 10 km 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. What is their distance of closest approach and how long do they take to reach it?

Two ships A and B are 10 km 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. What is their distance of closest approach and how long do they take to reach it?

Two ships A and B are 10 km 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. What is their distance of closest approach and how long do they take to reach it?