hw 27 with out sol

hw 27 with out sol - maldonado (om2892) – homework 27 –...

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Unformatted text preview: maldonado (om2892) – homework 27 – Turner – (58220) 1 This print-out should have 13 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points A 12 m ladder whose weight is 468 N is placed against a smooth vertical wall. A person whose weight is 753 N stands on the ladder a distance 4 . 8 m up the ladder. The foot of the ladder rests on the floor 5 . 4 m from the wall. 753 N 468 N 4 . 8 m 12 m b 5 . 4 m Note: Figure is not to scale. Calculate the force exerted by the wall. Answer in units of N. 002 (part 2 of 2) 10.0 points Calculate the normal force exerted by the floor on the ladder. Answer in units of N. 003 (part 1 of 3) 10.0 points A 10 . 8 m , 492 N uniform ladder rests against a frictionless wall, making an angle of 65 . 4 ◦ with the horizontal. b 643 N 492 N 5 . 66 m 10 . 8 m 65 . 4 ◦ Note: Figure is not drawn to scale....
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This note was uploaded on 03/31/2011 for the course PHY 303K taught by Professor Turner during the Fall '08 term at University of Texas.

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hw 27 with out sol - maldonado (om2892) – homework 27 –...

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