SOLUTION: (1) A swimmer is capable of swimming at 1.4m/s in still water. (a) how far downstream will be land if he swims directly across a 180m wide river? (b) how long will it take him to r

Algebra ->  Vectors -> SOLUTION: (1) A swimmer is capable of swimming at 1.4m/s in still water. (a) how far downstream will be land if he swims directly across a 180m wide river? (b) how long will it take him to r      Log On


   

Question 1129658: (1) A swimmer is capable of swimming at 1.4m/s in still water. (a) how far downstream will be land if he swims directly across a 180m wide river? (b) how long will it take him to reach the other side?
(2) A man can row at 6km/hr in still water and wants to cross a river to a position exactly opposite his starting point. If the river is 5km wide and is flowing at 4km/hr eastwards, find the direction in which he must set off in order to accomplish his objective. How long will it take to cross the river?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
(1) Speed in still-water and a question about "across a river", but no information about the speed of the current. Incomplete description or question.