The point P in Figure 13.43 has position vector v obtainedby rotating the position
Chapter 13, Problem 36(choose chapter or problem)
The point P in Figure 13.43 has position vector v obtainedby rotating the position vector r of the point (x, y)by 90 counterclockwise about the origin.(a) Use the geometric definition of the cross product toexplain why v = k r .(b) Find the coordinates of P.
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