General Physics Hwk 2

General Physics Hwk 2 - huynh (hph268) – HW #2 – clark...

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Unformatted text preview: huynh (hph268) – HW #2 – clark – (56485) 1 This print-out should have 22 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points A physics book is moved once around the perimeter of a table of dimensions 1 m by 3 m. If the book ends up at its initial position, what is the magnitude of its displacement? 1. 6 m 2. 3 m 3. 2 m 4. 4 m 5. 1 m 6. 5 m 7. None of these 8. 7 m 9. 0 m 10. 8 m 002 (part 2 of 2) 10.0 points What is the distance traveled? 1. 1 m 2. 6 m 3. None of these 4. 3 m 5. 4 m 6. 7 m 7. 5 m 8. 0 m 9. 2 m 10. 8 m 003 (part 1 of 2) 10.0 points Consider the two vectors vector M = ( a, b ) = a ˆ ı + b ˆ and vector N = ( c, d ) = c ˆ ı + d ˆ . What is the value of the scalar product vector M · vector M ? 1. a- b 2. a 2- 2 a b + b 2 3.- 2 a b 4. a 2 + b 2 5. radicalbig a 2 + b 2 6. a + b 7. 2 a b 8. a 2 + 2 a b + b 2 9. a 2- b 2 004 (part 2 of 2) 10.0 points What is the value of the scalar product vector M · vector N ? 1. a 2 + b 2 + c 2 + d 2 2. a d- b c 3. a d + b c 4. a b c d 5. a c + b d 6. a c- b d 7. a b + c d 8. radicalbig a 2 + b 2 + radicalbig c 2 + d 2 huynh (hph268) – HW #2 – clark – (56485) 2 9. a b- c d 005 10.0 points A little boy is running along the aisle of a train moving at constant velocity. A man standing at a station sees the train go by and through its windows measures the velocity of the little boy as vectorv b . The passengers on the train, sitting quietly in their seats, measure the velocity of the little boy as vectorv t . What is the velocity of the train itself with respect to the station; i.e. , the ground?...
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This note was uploaded on 06/06/2011 for the course CHEM 301 taught by Professor Wandelt during the Spring '08 term at University of Texas.

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General Physics Hwk 2 - huynh (hph268) – HW #2 – clark...

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