A man atop a tower observes a boat moving away. Initially, the boat is 60 meters from the tower with a 45° angle of depression. After 5 seconds, the a...
Question
A man atop a tower observes a boat moving away. Initially, the boat is 60 meters from the tower with a 45° angle of depression. After 5 seconds, the angle reduces to 30°. Calculate the boat's approximate speed in still water.