physics
posted by jim .
Before starting this problem, review Conceptual Example 7. The force vector A has a magnitude of 70.0 newtons (N) and points due east. The force vector B has a magnitude of 111 N and points 71.4 ° north of east. Find the (a) magnitude and (b) direction of A  B. (Give the direction as a positive angle with respect to due east). Find the (c) magnitude and (d) direction of B  A. (Give the direction as a positive angle with respect to due west)
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