F2009_final_ex_sol[1]

# F2009_final_ex_sol[1 - PHYS180.002 Fall2009 FinalExamination Name 0 Lvi-furv TOTALPOINTS I2OO 7,2OOg Decembet for Equations full credit Starting

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PHYS 180.002 Fall2009 Final Examination Decembet 7,2OOg 0Lvi-furv Name TOTAL POINTS I2OO For problems marked OSE, use Official Starting Equations for full credit. (1) t5 pointsl Would you like to start off with an easy question? (A) Yes (B) No iil'UbyOe (D) Can I have half an hour for research? (E) | thought we didn't have to know this! (2,) (2O) points) A brass block slides up a frictionless inclined plane, then slides back down. Wtricn is the correct graph of the acceleration ax as a function of time? The positive s-axis points up the slope of the inclined plane. Neglect air resistance. ir- [\-r t\ (, I l--, I (c) (a) C.gyri3ht Ozffi Pearsr Eou.ar'o.'nc pub0shrigas Pears' AaCGon-Wesbv (3) (25 points) A human races dn automobile in a one-dimensional race. Both start from iesr foi t<0. At t=0, the human instantly assumes constant speed vxo, while the automobile has uniform acceleration ?x. At what time do the human. and the car have the same speed? At what time do they have the same position? (A) They have the same speed and same position at t=voxhx' @>fney have the same speed at t=Voxhx,

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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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F2009_final_ex_sol[1 - PHYS180.002 Fall2009 FinalExamination Name 0 Lvi-furv TOTALPOINTS I2OO 7,2OOg Decembet for Equations full credit Starting

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