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# Biomechanics ESS 3301

TTU

GPA 3.8

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This 2 page Class Notes was uploaded by Kathryne Fritsch on Thursday October 22, 2015. The Class Notes belongs to ESS 3301 at Texas Tech University taught by Rhonda Lea Boros in Fall. Since its upload, it has received 34 views. For similar materials see /class/226457/ess-3301-texas-tech-university in EXERCISE AND SPORT SCIENCE at Texas Tech University.

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Date Created: 10/22/15

Name Lab Section Time ESS 3301 Lab Sections Lab Algebra and Trig Review Part 1 Basic Algebra Solve for X unless otherwise instructed Circle or otherwise indicate your answers 1 3x40 4 2x27312 2 3X10l6 5 sut 2at2 5 Let u be 0 Solvefor t 3 52X 34X 7 8 Part 2 Trigonometry Use your knowledge of trigonometry to solve each of the problems below Hints Sketching the triangles may help and 6 and or are variable names for angles Adj2 Opp2 Hyp2 W f 395 6 sin 0 opp hyp 25 3 amp cos 0 adj hyp 0 tan 0 opp adj Adjacent side 1 Given angle 6 25 opposite side 52 In nd the magnitude of the hypotenuse and adjacent side 2 Given the hypotenuse 18 rns angle 6 40quot nd the length ofboth legs of the triangle 3 A ball is kicked into the air at an angle of 58quot above horizontal with an initial resultant velocity of 125 ms Find both the vertical and horizontal components of the velocity vector 4 At the instant of takeoff a long jumper has a forward horizontal velocity of 68 rns and a vertical velocity of 26 ms Find the angle of takeoff relative to the horizontal and the magnitude of the resultant takeoff velocity vector E SS 3301 Algebra Trig Review Part 3 Graphing and Vectors 1 Graph each of the points 25 72 l4 33 Draw an arrow vector from the origin 0 0 to each of the points Identify these vectors as A B C and D respectively Hint Start by drawing an Xy aXis and the 00 origin on the grid below 2 Determine the length of each of the vectors in 1 above 3 Determine the respective angles between each of the vectors in 1 above with respect to the right horizontal axis Hint You might think of this as the angle measured counterclockwise to the vector as formed connecting 00 and the point as measured from the positive XaXis

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