Resultant of Two Velocity Vectors | Resultant of Concurrent Force System

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LECTURE VIDEO
(1) Solution by Complex Mode of Calculator (0:00:22)
(2) Solution by Traditional Component Method (0:05:18)
(3) Solution by Parallelogram Law (0:10:49)
(4) Solution Using Cosine Law by Complex Number (0:17:59)

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were did get 27.89 was not suppose to be 39.52

mgiffard