A Long-Distance Swimmer Is Able to Swim Through Still Water

Multiple Choice

A long-distance swimmer is able to swim through still water at 4.0 km/h. She wishes to try to swim from Port Angeles, Washington, directly north to Victoria, British Columbia, a distance of 50 km. An ocean current flows through the Strait of Juan de Fuca from west to east at 3.0 km/h. In what direction (relative to north) should she swim to make the crossing along a straight line between the two cities?

A) 37° west of north
B) 37° east of north
C) 41° west of north
D) 41° east of north
E) 49° west of north