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6. If the result of two vectors 12 m and 16 m are (i) 28m (i) 4 m (iii) 20 m, find the angles between them.[Ans. (i) θ-0° (ii) θ180° (İİİ) θ-9001

Answer» <p>(i) 28 = 12 + 16 so angle is 0(ii) 4 = 16 - 12 so angle is 180(iii) 20 = _/ 16^2 + 12^2 so angle is 90</p>


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