A wildlife researcher is tracking a flock of geese. The geese fly 4.5 km. due west, then turn toward the north by 30 degrees and fly another 5.0 km. How far west are they of their initial position? What is the magnitude of their displacement?
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5^2 + 5^2 - 2*4.5*5*cos(30°)) AC = √(20.25 + 25 - 45*cos(30°)) AC = √(45.25 - 45*0.866) AC = √(45.25 - 38.835) AC = √6.415 AC ≈ 2.53 km Show more…
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A wildlife researcher is tracking a flock of geese. The geese fly $4.0 \mathrm{km}$ due west, then turn toward the north by $40^{\circ}$ and $\mathrm{fly}$. another $4.0 \mathrm{km} .$ How far west are they of their initial position? What is the magnitude of their displacement?
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