A bird flies 30 km due west and then 20 km due north
A bird flies 3.0 km due west and then 2.0 km due north. Another bird flies 2.0 km due west and 2.0 km due north. What is the angle between the net displacement vectors of the two birds?
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a bird flies 30 km due west and then 20 km due north another bird flies 20 km due west and 20 km due north what is the
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