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Unformatted text preview: Morby, Grant Homework 24 Due: Mar 31 2006, noon Inst: Drummond 1 This printout should have 15 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 3) 10 points Consider the two vectors ~ M = ( a, b ) = a + b and ~ N = ( c, d ) = c + d where, a and c represent the xdisplacement and b and d represent the ydisplacement in a Cartesian xy coordinate system. Note: and represent unit vectors ( i.e. vectors of length 1) in the x and y directions, respectively. What is the magnitude of the vector prod uct k ~ M ~ M k ? 1. k ~ M ~ M k = 2 a b 2. k ~ M ~ M k = a 2 b 2 3. k ~ M ~ M k = a + b 4. k ~ M ~ M k = a 2 + 2 a b + b 2 5. k ~ M ~ M k = a b 6. k ~ M ~ M k = p a 2 + b 2 7. k ~ M ~ M k = 0 8. k ~ M ~ M k = a b 9. k ~ M ~ M k = a 2 2 a b + b 2 10. k ~ M ~ M k = a 2 + b 2 002 (part 2 of 3) 10 points What is the magnitude of the vector product k ~ M ~ N k ? 1. k ~ M ~ N k = a 2 + b 2 + c 2 + d 2 2. k ~ M ~ N k = a b c d 3. k ~ M ~ N k = a c + b d 4. k ~ M ~ N k = a b 5. k ~ M ~ N k = a b c d 6. k ~ M ~ N k = 0 7. k ~ M ~ N k = a b + c d 8. k ~ M ~ N k = a d b c 9. k ~ M ~ N k = a d + b c 10. k ~ M ~ N k = a c b d 003 (part 3 of 3) 10 points What is the direction of the vector product ~ M ~ N ? 1. along the zaxis 2. along the xaxis 3. in the yz plane, but not along y or z 4. in the xy plane, but not along x or y 5. along the yaxis 6. in the xz plane, but not along x or z 7. none of these since its direction cannot be determined 004 (part 1 of 1) 10 points A satellite of mass 3 m moves on a plane in a circular orbit of radius r 3 m i about a spherical planet of mass M...
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This note was uploaded on 03/02/2009 for the course PHY 58235 taught by Professor Kleinman during the Spring '09 term at University of Texas at Austin.
 Spring '09
 KLEINMAN
 Physics, Work

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