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Drawing phasor diagrams when x is the sum of two Cos terms
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Nov 12th 2014, 07:44 AM
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PhysicsKidd
Junior Member
Join Date: Oct 2014
Posts: 8
Drawing phasor diagrams when x is the sum of two Cos terms
If x= ACos(wt) + ACos(Wt), how do I draw a phasor diagram when t=2? Do I treat each cosine term as a vector, and then do vector addition? Thank you
w=4*pi and W=5*pi, by the way
Nov 13th 2014, 01:49 PM
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ChipB
Physics Team
Join Date: Jun 2010
Location: Morristown, NJ USA
Posts: 2,280
At t = 2 the value of ACos(4 pi t ) is A, and the value of Acos(5 pi t ) is also A. So at t =2 the two phasors are aligned along the real axis, and so the vector addition gives a result of 2A along the real axis.
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