Physics
posted by James .
A truck travels 2.85 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 4.50 min.
(a) With respect to a twodimensional coordinate system on the surface of Earth such that the yaxis points north, what is the net displacement vector of the truck for this trip?
(b) What is the magnitude of the average velocity for this trip?

Never mind, figured it out.
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