Unformatted text preview: = 170 m/s and v 2y = 40 m/s. a) Sketch the velocity vectors at t 1 and t 2 . Qualitatively, how do these vectors differ? b) Calculate the components of the average acceleration for this time interval c) Calculate the magnitude and the direction of the average acceleration for this time interval. 6. Projectile: Y&F 3.9 7. Shotputter: Y&F 3.20 Instructions and comments: One learns physics by doing problems, so you are advised to solve all problems. You will find that work done on earlier problems may help you on later ones. Note that the Quizzes in your recitation section will be taken from the homework problems (or part of homework problems). You may find it convenient to use the “Physics problem worksheet” posted on the web site (though you are not required to use this sheet). For extra help: you may attend any TA’s office hours, visit LSC in Rockefeller B14, or attend Physics 012, which meets in Rockefeller 115....
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 Fall '07
 LECLAIR,A
 mechanics, Acceleration, Work, Velocity, constant deceleration, Rockefeller B14

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