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OCW Scholar - Physics I: Classical Mechanics
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OpenStudy (anonymous):
Can someone please explain how exactly 3.3ms^-1 unit vector i is the 3rd average velocity for Challenge Problem 1.2 on Solving Vectors? The distance covered is -30m and along unit vector j (not i). Why isn't the average velocity written as -3.3ms^-1 unit vector j?? Thank you!
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