Exam 5 [Spring 2007]

Exam 5 [Spring 2007] - W 11 April 2007 1:00 p.m. 1:50 p.m....

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W 11 April 2007 CODE # 1 1:00 p.m. – 1:50 p.m. PHYSICS 114 Fifth Hour Exam INSTRUCTIONS: Answer each question. All questions carry equal weight. You should calculate your answers to three (3) significant figures. Your answer may not agree exactly with one of the possible answers, but your answer, if correct, should agree with one of the possible answers to at least two (2) significant figures. Be sure to enter the code number, found in the upper right corner of this page, in the appropriate box in your scantron answer sheet. All information supplied by you on your scantron sheet must be left justified, that is it must be entered beginning at the left hand end of the entry box. 1. A body is suspended by three cords as shown. The tension, F A , is 75.7 N and the angle φ is 54.9 o . The mass of this body is (a) 5.09 kg (b) 7.28 kg (c) 9.73 kg (d) 5.43 kg (e) 6.17 kg 2. A massless beam of length, L = 4.79 m, rests on a support at C, as shown. A body of mass, m A = 57.4 kg rests at A and a body of mass, m
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Exam 5 [Spring 2007] - W 11 April 2007 1:00 p.m. 1:50 p.m....

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