A River Flows Toward the East at 1

Multiple Choice

A river flows toward the east at 1.5 m/s. Steve can swim 2.2 m/s in still water. If he wishes to cross the river so that his direction is exactly northward, what direction relative to the water must he swim?

A) 55° north of west
B) 43° west of north
C) 34° north of west
D) 47° west of north