Hr_Ex_1_F2009_sol[1]

# Hr_Ex_1_F2009_sol[1] - PFIYS18O.OO2 Fall2009 Hour Exam #l...

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PFIYS 18O.OO2 Name y\$tu s tu efi- l<er Hour Exam #l September 23,2009 Fall2009 This page /100 points. Total /200 points. On problems marked (OSE), you MUST use an Official Starting Equation in order to receive full credit. (l) [2 points] Do you have trouble making quick decisions? (A) Yes (B) No (C) Can't decide. Q) t48 pointsl Throughout this problemr y points up. Neglect air resistance. (A) A golf ball is thrown upward at 10 m/s. At three different times, answer questions about the velocity vy and the acceleration ay. time ' ls vy positive (+) negative G) or iero or near-zero (0)? ls mggnitude of acceleration >9, =9, (9, Of Zero? immediately after leaving your hand + =J at the top of the trajectory (highest point) o =9 just before it strikes the ground time ls vy positive (+), negative (-) or zero or near-zero(0)? ls magnitude of acceleration )9, =9, (9, or zero? immediately after leaving your hand o =f just before it strikes

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## This note was uploaded on 06/04/2010 for the course PHYS 180 taught by Professor Farley during the Spring '10 term at University of Nevada, Las Vegas.

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Hr_Ex_1_F2009_sol[1] - PFIYS18O.OO2 Fall2009 Hour Exam #l...

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