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A person walks in the following pattern 8.4 km north then 1.2 km west and finally 4.7 km south judge how far and in what direction a bird would fly in a straight line from the same starting point?
Wiki User
∙ 14y ago
Movement in north = 8.4 - 4.7 = 3.7 km Movement in west = 1.2 km
Total movement = sqrt(3.7 * 3.7 + 1.2 * 1.2) = 3.89km (approx)
Direction North-West asin(1.2/3.7) = 18.92 deg (approx)
(from west @ 0 deg to north @ 90 deg)
Wiki User
∙ 14y ago
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