1 Two ships A and B can establish mutual communication when

Last updated: 6/10/2023

1 Two ships A and B can establish mutual communication when they are not more than 50 km apart At midnight the ship B moving towards the north with a velocity 4 km h passes a location 80 km east of ship A that is moving with velocity 16 2 km h towards the northeast Find the time interval during which they were in communication