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26 Pages

### CapÂ¡tulo 3 (5th Edition)

Course: PHYS 241, Summer 2008
School: Arizona
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Word Count: 3591

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3 Chapter Solutions *3.1 x = r cos = (5.50 m) cos 240 = (5.50 m)(0.5) = 2.75 m y = r sin = (5.50 m) sin 240 = (5.50 m)(0.866) = 4 .76 m 3.2 (a) d= d= (x 2 x 1 ) 2 + (y 2 y 1 ) 2 = 25.0 + 49.0 = 8.60 m (2.00)2 + (4.00)2 = 4.00 = 63.4 2.00 (2.00 [3.00]2) + (4.00 3.00)2 (b) r1 = 20.0 = 4.47 m 1 = tan1 r2 = (3.00)2 + (3.00)2 = 18.0 = 4.24 m 2 = 135 measured from + x axis. 3.3 We have 2.00 = r...

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Arizona - PHYS - 241
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Arizona - PHYS - 241
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Arizona - PHYS - 241
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Arizona - PHYS - 241
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