Fundamentals of Physics 10th ISV Edition · Motion in Two and Three Dimensions · Problem 5
Halliday, Resnick & Walker — Motion in Two and Three Dimensions: Problem 5
5 A train at a constant 60.0 km/h moves east for 40.0 min, then in a direction 50.0° east of due north for 20.0 min, and then west for 50.0 min. What are the (a) magnitude and (b) angle of its average velocity during this trip?
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