PHY7A Quiz4Sol

PHY7A Quiz4Sol - Quiz #4 Solutions 29th August 2007...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Quiz #4 Solutions 29th August 2007 Warning: These solutions are through, as they have to make sure everyone understands the problem. They are probably considerably longer than your answer. The room temperature is 20 o C, and the oil inside is level as shown. What is the pressure in the region labelled A ? 1 a) 1 atmosphere Closed off open to air 20 ◦ C A Analyse the two points shown. They are in the same fuid system. No KE and no change in E thermal (I = 0) Same height KE/vol PE/vol P E th /vol By continued application oF the idea that two fuids in contact have the same pressure. Δ P = 0 ⇒ P 1 = P 2 ⇒ P 1 = 1 atm ⇒ P A = 1 atm 1 2 X X X 1b) A person with a skin temperature of 35 o C grabs the bottle. The air and oil inside the bottle quickly come into thermal equilibrium with the skin. What is the pressure of the gas in the section labelled A ? Note: you may assume the oil level outside the straw changes by a negligible amount, but the oil level in the straw will change....
View Full Document

This note was uploaded on 10/22/2010 for the course PHY 7A 56192 taught by Professor ? during the Summer '09 term at UC Davis.

Page1 / 10

PHY7A Quiz4Sol - Quiz #4 Solutions 29th August 2007...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online