ch03-p009 - 9. We write r = a + b . When not explicitly...

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(c) The angle between the resultant and the + x axis is given by θ = tan –1 ( r y / r x ) = tan –1 [(10 m)/( –9.0 m)] = – 48° or 132°. Since the x component of the resultant is negative and the y component is positive, characteristic of the second quadrant, we find the angle is 132° (measured counterclockwise from + x axis). 9. We write G G G r ab =+ . When not explicitly displayed, the units here are assumed to be
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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