Solve Applied Problems Involving Vectors
-A Power Boat in Still $10 ^ { \circ }$

Multiple Choice

Solve Applied Problems Involving Vectors
-A power boat in still water maintains a speed of 45 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 8 miles per hour. Find the actual speed and direction of the boat.

A) 46 miles per hour; $10 ^ { \circ }$ off course
B) 45 miles per hour; $10 ^ { \circ }$ off course
C) 22 miles per hour; $21 ^ { \circ }$ off course
D) 17 miles per hour; $28 ^ { \circ }$ off course