Question

Two vectors a and b have equal magni-tudes of 12 units. These vectors are making angles 30 and 120 with the x axis respectively. Their sum is r. Find the magnitude and the angle r makes with the +x axis 1. 12 2,75 clock wise 2. 12 2,75 anti clock wise 3. 12, 45 clock wise 4. 12, 45 anti clock wise​

Answer 1

Explanation:

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