2011c_x1a - MATH 151, FALL SEMESTER 2011 COMMON EXAMINATION...

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, FALL SEMESTER 2011 COMMON EXAMINATION I - VERSION A Name (print): Instructor’s name: Signature: Section No: Part 1 Multiple Choice ( 12 questions , 4 points each , No Calculators ) Write your name, section number, and version letter ( A ) of the exam on the ScanTron form. Mark your responses on the ScanTron form and on the exam itself 1 . Let v 2,4 ± and w 2 i ± 6 j . Compute 1 2 v w . a . 1 b . 2 c . 3 d . 4 e . 5 2 . A ball whose weight is 50 Newtons hangs from two wires, one at angle 23° from horizontal, and the other at angle 37° from horizontal. Let T 1 be the tension in the first wire, and T 2 be the tension in the second wire. Which set of equations can be used to solve for T 1 and T 2 ? a . | T 1 |cos23° ± | T 2 |cos37° & 0 and | T 1 |sin23° ± | T 2 |sin37° 50 b . | T 1 |cos23° ± | T 2 |cos37° 50 and | T 1 |sin23° ± | T 2 |sin37° & 0 c . | T 1 |cos23° ± | T 2 |cos37° 50 and | T 1 |sin23° ± | T 2 |sin37° & 0 d . | T 1 |cos23° ± | T 1 |cos37° & 0 and | T 2 |sin23° ± | T 2 |sin37° 50 e . | T 1 |cos23° ± | T 2 |cos37° & 0 and | T 1 |sin23°
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This note was uploaded on 02/13/2012 for the course MATH 151 taught by Professor Artbelmonte during the Fall '06 term at Texas A&M.

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2011c_x1a - MATH 151, FALL SEMESTER 2011 COMMON EXAMINATION...

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