{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Chapter_14 - Physics 42 Spring 2008 Problem Set Fluids...

This preview shows pages 1–6. Sign up to view the full content.

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)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
/ 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

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
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 needed to keep them afloat in fresh water? Take the density of logs to be 800 kg per cubic meter.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}