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# Vector M = 4.0 m points eastward and vector N = 3.0 m points westward. The resultant vector M + N is given by?

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- electron1Lv 77 months ago
East and west are opposite directions. To determine the resultant vector, subtract the two distances.

d = 4 – 3 = 1 meter

Since the distance eastward is greater than the distance, the direction of the resultant is east.

M = 1 meter east

I hope this is helpful for you.

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- 7 months ago
Mx = 4 * cos(0) = 4

My = 4 * sin(0) = 0

Nx = 3 * cos(180) = -3

Ny = 3 * sin(180) = 0

Mx + Nx = 4 + (-3) = 1

My + Ny = 0 + 0 = 0

M + N is 1.0 meters Eastward

tan(t) = (My + Ny) / (Mx + Nx) = 0 / 1 = 0

tan(t) = 0

t = arctan(0)

t = 0

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