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Unformatted text preview: 5. Consider the two vectors ) k 4 j 4 i 3 ( A + = m and ) k 7 j 3 i 2 ( B + = m, find the magnitudes of a. C = A + B b. D = 2A  B 6. Obtain expressions in component form for the positions vectors having polar coordinates: a. 12.8 m, 150 b. 3.30 cm, 60 c. 22.0 in., 215 7. The displacement vectors of a croquet ball are shown in the figure below. Find a. The resultant in unitvector notation and b. The magnitude and direction of the resultant displacement 45 45 C A B 8. An airplane starting from airport A flies 300 km east, then 350 km at 30 west of north, and then 150 km north to finally arrive at airport B. a. The next day, another plane flies directly from B to A. In what direction should the pilot travel in this direct flight? b. How far will the pilot travel in this direct flight?...
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This note was uploaded on 05/02/2011 for the course GE 208K taught by Professor Dutt during the Spring '11 term at University of Texas at Austin.
 Spring '11
 Dutt

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