q151t2au - Name: MATH 151 Test 2 Autumn 2009 Time : 75 min...

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MATH 151 Test 2 Autumn 2009 Time : 75 min Max : 125 Instructions : This test has 7 questions on 5 pages. Write your fnal answer to each question in the space provided under that question. Appropriate work using algebra and/or calculus must be shown . Inadequately supported answers, especially iF based soley on graphing calculators, may not be given credit. Unless otherwise specifed, give the exact values oF all answers, using Fractions, radicals, e and π as needed, and not decimal approximations . 1 (12 points ). A baseball diamond is a square with sides 90 Feet long. A baseball player ( P in the fgure below) is advancing From the second base ( S ) to the third base ( T ) and the umpire at the home plate ( H ) is watching him. Let θ be the angle between the third baseline ( TH ) and the line oF sight From the umpire to the player ( HP ). How Fast is θ changing when the runner is 30 Feet From the third base and running at 24 Feet per second? H
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q151t2au - Name: MATH 151 Test 2 Autumn 2009 Time : 75 min...

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