While following the directions on a treasure map, a pirate walks 37.0 m north and then turns and walks 8.5 m east. What is the magnitude of his resultant displacement?

A: 38 m
B: 45.5 m
C: 28.5 m

3 answers

4. What is the direction (including angle) of the pirate’s displacement in question #3?
A: 13 degrees north of east
B: 77 degrees north of east
C: 13 degrees north
D: 77 degrees north
3. d^2 = 37.0^2 + 8.5^2

4. Θ is the angle measured from the x-axis ... tan(Θ) = 37.0 / 8.5
√(37.0^2 + 8.5^2) = ______
the angle x (north of east) is such that
tan(x) = 37/8.5
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