Some Final Hints
- Make sure your calculator is set to DEGREES, not radians.
- Always use units. Always. We mean it. Always.
Practice Problems
1 . A canoe is paddled due north across a lake at 2.0 m/s relative to still water. The current in the lake
flows toward the east; its speed is 0.5 m/s. Which of the following vectors best represents the velocity
of the canoe relative to shore?
(A) 2.5 m/s
(B) 2.1 m/s
(C) 2.5 m/s
(D) 1.9 m/s
(E) 1.9 m/s