quiz919-solutions

# quiz919-solutions - Version 054/AADBC – quiz919 –...

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Unformatted text preview: Version 054/AADBC – quiz919 – Demkov – (59910) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Consider the vector-→ M = (+ a, + c ) = + a ˆ ı + c ˆ , where “+ a ” represents the x-displacement and “+ c ” represents the y-displacement (in a Cartesian xy coordinate system). Note: ˆ ı and ˆ represent unit vectors ( i.e. vectors of length 1) in the x and y directions, respectively.- d- a- b- c c b a d- d- a- b- c c b a d A E G D B F C H x y Which of the arrows plotted on above graph is a valid representation of-→ M ? 1. F and G , but no others. correct 2. B and D , but no others. 3. C only. 4. H , B , A , and D , but no others. 5. C and E , but no others. 6. H and A , but no others. 7. D only. 8. C , F , E , and G , but no others. 9. H only. 10. G only. Explanation: Vectors F and G , but no others, have an x-displacement of “+ a ” and y-displacement of “+ c ”....
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quiz919-solutions - Version 054/AADBC – quiz919 –...

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