PHYSICS WITH CALC 1
PHYSICS WITH CALC 1 PHY 2048
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This 6 page Class Notes was uploaded by Mrs. Linda Wiegand on Friday September 18, 2015. The Class Notes belongs to PHY 2048 at University of Florida taught by Staff in Fall. Since its upload, it has received 20 views. For similar materials see /class/206767/phy-2048-university-of-florida in Physics 2 at University of Florida.
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Date Created: 09/18/15
Ch 6 friction etc Outline for 212 Announcements Last time Example 3 turntable with coin demo Example 4 banked tracks HlTT quiz Example 5 turntable with pendulum demo Last time Examples of circular motion mostly amusement park rides Hammerfeather on moon video Air drag in projectile motion 100 80 Height m 50 2039 0 50 100 150 200 Distance m 63 Some notes on Circular motion o Uniform circular motion 27 const Acceleration purely centripetal 3 f 2 mg 2 m1 T mlg and T 7A gt 2 m2gr o Nonuniform circular motion Example train speeding up on circular track tang V I I 2 atang 1 centr v tang acentr 21 gt don t forget tangential component atang if 1 7E const LOOPTHE LOOP p 117 HRW V Top point Q How fast must 27 be so that rider doesn t fall off E Condition If N gt O heshe loses contact with track amp falls i critical speed vcr must be achieved 2 mv NO i mg i vg7 7 N1 Lug Problem 3 A penny is placed on a flat horizontal turntable whitch revolves once in T seconds It is a distance r from the axis of rotation At which distance r from the axis will it slip and fly off
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