final_11

final_11 - Phy9A-C Page 1 of 2 Cole-UCDavis Physics 9A-C...

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Unformatted text preview: Phy9A-C, 6/8/11 Page 1 of 2 Cole-UCDavis Physics 9A-C Final Exam June 8, 2011   Clearly print your name on your blue book.  There are eight problems on two pages.  Work problems on your blue book.  Please put each  problem on a new side of a page-you can use the backs.  Except for problem #1, no credit will be  given for answers without work.  Answers must have correct units.  Remember that the grader must  be able to understand your solution to give you partial credit; therefore, incomprehensible work will  receive no partial credit.  Good Luck! [1]  Record the answer that correctly completes the sentence in your blue book. a) The kinetic friction force between two solid surfaces ( always | sometimes | never ) depends on the  surface area of contact. b)  A general definition of gravitational force is  F√  = (    − GMm r 2 ˆ r |  dp√/dt  |  ma√  |  all of the above |  none of the above). c) Many of the great rivers in the world have a tendency to flow from the pole towards the equator.   Over time as they carry sediment towards the equator, the angular speed of the earth will  ( increase |  decrease | not change ) . d)  The magnitude of the force will be greatest where the graph of the potential energy is  ( maximum | | steepest | 0 | minimum | none of the above ) e) In one dimension the work done by a force is the area under the curve of the force versus ( time |  position | all of the above | none of the above ) curve....
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final_11 - Phy9A-C Page 1 of 2 Cole-UCDavis Physics 9A-C...

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