ch03-p015 - 15. Reading carefully, we see that the (x, y)...

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(a) Along the x axis, we have (with the centimeter unit understood) 30.0 20.0 80.0 140, x b +− = which gives b x = –70.0 cm. (b) Along the y axis we have 40.0 70.0 20.0 y c −+ −= which yields c y = 80.0 cm. (c) The magnitude of the final location (–140 , –20.0) is 22 ( 140) ( 20.0) 141 cm. = (d) Since the displacement is in the third quadrant, the angle of the overall displacement is given by π + 1 tan [( 20.0)/( 140)]
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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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