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Unformatted text preview: Physics 1A Spring 2009 Practice 1st MIDTERM TEST  Thursday, April 16, 2009 This exam is closed book. One 3 inches 5 inches card with formulas (two sides) is allowed. Write all units for all numerical results. For full credit on a claculation, always show your work to get your answer. The exam consists of a set of 4 short questions and 2 problems. Please do not open the exam until we do it all at the same time. You will have 50 minutes. Good luck! NAME: STUDENT I.D.: SIGNATURE: First: a set of 4 short questions (20 points in total) (1.) (6 points) A car moves in the North direction at 50 km/h for one hour, then encounters heavy traffic and goes at 20 km/h for another 0.5 hours, before deciding to return and head back at 40 km/h in direction South for 0.5 hour. 1a what is the average velocity of the car during the total time interval just described?...
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This note was uploaded on 06/03/2011 for the course PHYSICS 1A taught by Professor Musumeci during the Fall '10 term at UCLA.
 Fall '10
 Musumeci
 Physics

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