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Unformatted text preview: Name : ; Signature : ID # : Physics 6A Spring 2005 Huang Final Exam 1. This is a closed book and closed note exam. Students are allowed to bring one page (could be doublesided) note of their own hand writting. 2. This is three hour exam. No student will be admitted 30 minutes after the start of the exam. 3. This exam counts 50 points towards the final grade. 1 2 3 4 5 6 7 8 9 10 TOTAL Problem 1 (5 points) A tennis ball rolls off the edge of a tabletop 0.75 m above the oor horizontally and strikes the oor at a point 1.50 m horizontally from the edge of the table. Ignore air resistance, a) Find the time of ight. b) Find the magnitude of the initial velocity. c) Find the magnitude and direction of the velocity of the ball just before it strikes the oor. Problem 2 (5 points) Two objects are connected by a light string that passes over a frictionless pulley as shown in Figure. The incline is frictionless, and m 1 =2.0 kg, m 2 =5.0 kg and =50 . Find a) the acceleration of the objects, b) the tension in the string, and c) the speed of each of the objects 2.00 s after they are released simultaneously from rest. Problem 3 (5 points) Consider a conical pendulum with a mass 50.0 kg bob on a 10.0 mProblem 3 (5 points) Consider a conical pendulum with a mass 50....
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 Spring '07
 MahaAshourAbdalla
 Physics

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