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Unformatted text preview: Physics 42 Spring 2008 Problem Set: Fluids These problems are from the eighth edition of Halliday, Resnick and Walker, Chapter 14. 1. Problem 3 2. Problem 11 3. Problem 29 4. Problem 33 t 5. Problem 37 6. Problem 43 7. Problem 49 8. Problem 53 9. Problem 55 10. Problem 65 11. Problem 80 (Answer: 3.82 m/sec 2 ) 12. If the speed of air flow past the lower surface of an airplane wing is 100 m/sec, what speed of air flow over the upper surface will give a pressure difference of 900 Pa between the upper and lower surfaces? 1 Pa = 1 N/m 2 density of air = 1.3 x 10~' g/cm 3 (Answer: 116 m/sec) / An office window has dimensions 3.4 m by 2.1 m. As a result of the passage of a storm, the outside air pressure drops to 0.9.6 a tin, but inside the pressure is held at 1.0 atm. What net force pushes the window out? p ^ : 0.94 P  /. r in _ r. —7 F* PA A = /y 0 , J a • 7 K? V7 7 = Three children, each of weight 356 N, make a log raft by lashing together logs of diameter 0.30 m and length 1.80 m. How many logs will be neededlogs of diameter 0....
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This note was uploaded on 08/30/2010 for the course PHYS physics 13 taught by Professor Wilhelm during the Spring '10 term at Diablo Valley College.
 Spring '10
 wilhelm

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