A displacement vector A has a magnitude of 636m and points 40.0 degrees above th

Question

A displacement vector A has a magnitude of 636m and points 40.0 degrees above the -x axis. Another displacement vector B is added to A. The resultant has the same magnitude as A, but the opposite direction. Find(a) the x component and (b) the y component of B. A displacement vector A has a magnitude of 636m and points 40.0 degrees above the -x axis. Another displacement vector B is added to A. The resultant has the same magnitude as A, but the opposite direction. Find(a) the x component and (b) the y component of B.

Explanation / Answer

B= -A+(-A)

B = -2A

Bx = -2 * -636* sin(40) = 974 m

By = -2 * 636 * sin(40) = -818 m

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