Asked by hart
The resultant of vectors A and B has a magnitude of 20 units.A has a magnitude of 8 units, and the angle between A and B is 40o. Calculate the magnitude of B
Answers
Answered by
bobpursley
law of sines
20/sin40=8/sinA
solve for angle A, then, you know angle B because the sume of the angles is 180
20/sin40=b/SinB
20/sin40=8/sinA
solve for angle A, then, you know angle B because the sume of the angles is 180
20/sin40=b/SinB
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