Question

Vector C has a magnitude 27.0 m and is in the direction of the negative y axis. Vectors A and B are at angles α = 44.4° and β = 28.2° up from the x axis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?

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Answer #1

The vector A is given as, 4 cos(44.4)i +Asin(44.4).j The vector B is given as, B-Bcos β(-)+ B si, pj --B cos (28.2 )i Bsin (Compare the x component in the above equation. A cos 44.4°-Bcos (28.2°)0 Acos(44.4)-Bcos (28.2 Bcos 28.2 cos44.4 1.2335B 0 Co

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