STUDY!!! - PH 131 Exam 1 Fall 2006 Student Name_ Student...

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1 PH 131 Exam 1 Fall 2006 Student Name____________________________________________________ Student Number__________________________________________________ Lab/Recitation Section Number______________________________(11,…,36) Instructions: 1. Provide all of the information requested above. Write your name at the top of each page. 2. Clearly indicate your answers for all multiple-choice questions in the space provided. 3. Present neat and orderly solutions to each problem, clearly indicating your method of solution. You must document the equations used in each part and show how they are manipulated to arrive at your solution. Correct answers without a documented solution will receive zero credit. Final answers should be circled or boxed. 4. Be sure to include appropriate units with all answers. 5. Neglect the effect of air resistance in all questions. Figures are not drawn to scale. Multiple Choice________ Problem 1_____________ Problem 2_____________ Total _________________
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2 Multiple Choice (2 pts. each) 1) k ˆ 3 j ˆ 2 i ˆ a + + = v k ˆ j ˆ 2 i ˆ 3 b - - - = v If b a v v v + = c and b a v v v - = d , find the angle between the vectors c v and d v . A) 0 o ; B) 44 o ; C) 90 o ; D) 120 o ; E) 180 o . Answer__________ 2) If the scalar (“dot”) product between two vectors is negative , then: A) The magnitude of one vector must be negative; B) The magnitudes of both vectors must be negative; C) The smallest angle between the vectors must be greater than or equal to 0 o , but less than 90 o ; D) The smallest angle between the vectors must be greater than 90 o , but less than or equal to 180 o ; E) The smallest angle between the vectors must be greater than 180 o ; Answer__________ 3) The graph below shows position as a function of time for two cars traveling on straight parallel roads. Which statement is true? t
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This note was uploaded on 09/30/2010 for the course PHYSICS PH 131 taught by Professor Wick during the Fall '10 term at Clarkson University .

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STUDY!!! - PH 131 Exam 1 Fall 2006 Student Name_ Student...

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