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September 20, 2014

September 20, 2014

Posted by **keef lam** on Wednesday, March 9, 2011 at 12:00am.

- physic -
**drwls**, Wednesday, March 9, 2011 at 12:17amAdd the three displacement vectors.

44i + 25j + 28sin27i + 28cos27j

= (44+28sin27)i + (25 +cos27)j

i and j are unit vectors east and north

Use the Pythagoreaqn theorem for the magnitude and the ratio of components for the tangent of the direction.

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