final_practice_07 - Physics 9B Practice Exam

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Unformatted text preview: Physics 9B Practice Exam Therearesixproblems.Workonthetestforanhourandwewillgooverit. [1] Athree-dimensionalmodelofamoleculetreatstheatomsaspointparticleslocatedatthe cornersofacubeandconnectedbymasslessrigidrods. a) (6pts)Listthedegreesoffreedom thismoleculehas. b) (14pts)If3molesofagasofthesemoleculesundergoesanadiabatic expansionfromapressureof5.0atmandavolumeof1.0Ltoavolumeof3.0L,findthefinal pressure. [2] Atransversewaveonastringisdescribedby y = 3 mm ( ) cos m 1 ( ) x 9 s 1 ( ) t ( ) . At t =0,findthepositionatwhichthetransversevelocityofthestringisamaximumand positive....
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This note was uploaded on 10/23/2009 for the course PHY 9B taught by Professor Cheng during the Fall '08 term at UC Davis.

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