A woman who can row a boat at 6.6 km/h in still water faces a long, straight river with a width of 5.9 km and a current of 3.1 km/h. Let i point directly across the river and j point directly downstream.
How long will she take if, instead, she rows 3.2 km down the river and then back to her starting point?
How long if she rows 3.2 km up the river and then back to her starting point?
At what angle to should she point the boat if she wants to cross the river in the shortest possible time?
How long is that shortest time?
PLEASE HELP!
FULL ANSWER AND EXPLANATION!
How long will she take if, instead, she rows 3.2 km down the river and then back to her starting point?
How long if she rows 3.2 km up the river and then back to her starting point?
At what angle to should she point the boat if she wants to cross the river in the shortest possible time?
How long is that shortest time?
PLEASE HELP!
FULL ANSWER AND EXPLANATION!