Discussion-15 _B_ - ngular Dynamics Angular Dynamics...

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Unformatted text preview: ngular Dynamics Angular Dynamics Discussion #15 (B) – Ch. 9.1 – 9.3 Physics 125 – Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. ‐ in Rm. 1416 Randall Lab. Review from Last Discussion Batman is trying to rescue a lady from a building by climbing a uniform ladder that is 5.0 m long and weighs 180 N. Batman, who weighs 800 N, stops a third of the way up the ladder. The bottom of the ladder rests on a horizontal stone ledge in equilibrium and leans against a vertical wall that is frictionless. The ladder makes an angle of 53° with the horizontal, conveniently forming a 3-4-5 right triangle. Calculate F N1 about the chosen axis of rotation . A. 326.4 N B. 189.3 N C. 267.5 N Test #1 Batman is trying to rescue a lady from a building by climbing a uniform ladder that is 5.0 m long and weighs 180 N. Batman, who weighs 800 N, stops a third of the is 5....
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This note was uploaded on 12/08/2011 for the course PHYSICS 125 taught by Professor Unknown during the Fall '08 term at University of Michigan.

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Discussion-15 _B_ - ngular Dynamics Angular Dynamics...

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