Question
A river 99.1 m wide flows toward the south at 31.5 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. She can swim 99.1 m in still water in 1.80 min.
What is her velocity relative to land?
magnitude
In what direction must she swim if she wishes to travel straight across the river?________upstream
What is her velocity relative to land?
magnitude
In what direction must she swim if she wishes to travel straight across the river?________upstream