# tm9_a - MAC 1114 Module Test 9 Name MULTIPLE CHOICE Choose...

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Unformatted text preview: MAC 1114 Module Test 9 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Use the fgure to fnd the specifed vector. 1) Find- a . A) 7,- 3 B)- 3,- 7 C)- 7,- 3 D)- 3, 7 Answer: B Objective: (7.4) Use Figure to Find Vector Determine whether the given vectors are orthogonal. 2) 3 i- 4 j and- 8 i- 6 j A) No B) Yes Answer: B Objective: (7.4) Determine if Vectors Are Orthogonal (Y/N) 3) < - 2, 3 > and < - 2 3 ,- 4 > A) No B) Yes Answer: B Objective: (7.4) Determine if Vectors Are Orthogonal (Y/N) Use the parallelogram rule to fnd the magnitude oF the resultant Force For the two Forces shown in the fgure. Round to one decimal place. 4) A) 132.7 lb B) 21,459.5 lb C) 146.5 lb D) 180.3 lb Answer: C Objective: (7.4) Use Parallelogram Rule to Find Magnitude of Resultant 1 Write the vector in the form ai + bj. Round a and b to 3 decimal places if necessary. 5)- 8, 2 A)- 8 i + 2 j B) 8 i + 2 j C) 2 i- 8 j D) 2 i + 8 j Answer: A Objective: (7.4) Write Vector in Form ai + bj Find the angle between the given vectors to the nearest tenth of a degree. 6) a = 4 i- 4 j , b = 2 i- 9 j A) 33.5° B) 66.3° C) 32.5° D) 122.5° Answer: C Objective: (7.4) Find Angle Between Vectors Solve the problem....
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## This note was uploaded on 10/18/2011 for the course MAC 1114 taught by Professor Russel during the Summer '08 term at Valencia.

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tm9_a - MAC 1114 Module Test 9 Name MULTIPLE CHOICE Choose...

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