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Unformatted text preview: NAME and LAB SECTION NUMBER (Please print) Physics 116A, First Exam Chapters 14 Useful constant: g = 9.8 m/s 2 Pledge I pledge that I have taken this exam by the guidelines of the Vanderbilt University Honor Code. (Signature) 1 NAME (Please print) Part I Multiple Choice Circle the correct answer on this page and fill in the OpScan sheet (5 points each.) 1. A particle starts out at the origin with a velocity given by 16  12 j (in m/s) and has an acceleration given by 3  6 j (in m/s 2 ). What is the speed of the particle at t = 2 seconds (answer in m/s)? a) 52 b) 39 c) 46 d) 33 e) none of these 2. In the lecture demonstration called shootthemonkey, it was best to aim the projectile a) above the target b) in the center of the target c) below the target d) didnt matter, the projectile missed both times e) none of these 3. At all times the net force on an object a) is in the direction of the motion b) is opposite to the direction of motion c) is at right angles to the motion d) is in the direction of the acceleration e) none of these 4. At which point on the accompanying speedtime v ( t ) graph for one dimensional motion is the instantaneous acceleration negative? a) point A b) point B c) point C d) point D e) point E 5. A ball is thrown vertically upward from the Earths surface and then falls back to Earth....
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 Spring '08
 Maguire
 Physics

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