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# rev5f10 - TA Tomoyuki Nakayama Monday PHY 2048 Physics 1...

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TA: Tomoyuki Nakayama Monday, September 27, 2010 PHY 2048: Physics 1 with Calculus, Fall 2010 Review: Chapter 5.7-6.5 The purpose of this review is to refresh your memory. Physics is a cumulative subject, so make it sure you understand basic concepts and typical problem solving techniques in previous chapters before moving on to a new chapter! ________________________________________________________________________________ A. Applications of Newton’s Laws A toy chest and its contents have a combined mass of 20 kg. The coefficient of static friction between the toy chest and floor is 0.4. A child attempts to move the chest across the floor by pulling on an attached rope. What is the minimum force required to move the chest? B. Uniform Circular Motion In the figure, a car moves around a banked circular track of radius R = 80 m. The bank angle is 15º and the coefficient of static friction between the car and the track is 0.20. What maximum speed can the car have to move without slipping?

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TA: Tomoyuki Nakayama Monday, September 27. 2010 PHY 2048: Physics 1 with Calculus, Fall 2010 Practice Exam Problems (Chapter 5.7-6.5) Working on this problem set is optional, but it is strongly recommended. It is quite possible that
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rev5f10 - TA Tomoyuki Nakayama Monday PHY 2048 Physics 1...

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