Transcription of MATH 151 FALL SEMESTER 2011 COMMON …
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MATH 151 FALL SEMESTER 2011 COMMON …
MATH 151, fall SEMESTER 2011 COMMON EXAMINATION I-VERSION BName (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 (B) of the exam on the ScanTron your responses on the ScanTron form and on the exam 4, 2 andw 6i 2j. Compute12v ball whose weight is50 Newtons hangs fromtwo wires, one at angle23 from horizontal,and the other at angle37 from the tension in the first wire, andT2be the tension in the second set of equations can be used to solveforT1andT2?a.|T1|cos 23 |T2|cos 37 0and |T1|sin 23 |T2|sin 37 50b. |T1|cos 23 |T1|cos 37 0and|T2|sin 23 |T2|sin 37 50c.|T1|cos 23 |T2|cos 37 50and |T1|sin 23 |T2|sin 37 0d. |T1|cos 23 |T2|cos 37 50and |T1|sin 23 |T2|sin 37 0e. |T1|cos 23 |T2|cos 37 0and|T1|sin 23 |T2|sin 37 the angle between the vectorsv 1, 3andw 3, the scalar projection (component) and vector projection ofv 5i 12jontow 4i projection 1613vector projection 64169i projection 1613vector projection 80169i projection 165vector projection 6425i projection 165vector projection 6425i projection 165vector projection 6425i the Cartesian equation for the graph of the parametric curvex 1 tandy t2 x2 x2 x2 x2 3x x2 3x a vector equation for the line which
4. Find the scalar projection (component) and vector projection of v 5i 12j onto w 4i 3j. a. scalar projection 16 13 vector projection 64 169 i 48 169 j b. scalar projection 16 13 vector projection 80
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