# L38 - Remember:ThisWeek CAPA assignment #13 is due today...

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

Remember: This Week CAPA assignment #13 is due today evening at 10 PM, to be done on-line. Recitation 6: Rotation, Rigid Body Motion, & Harmonic Motion Read Ch. 10: Fluids. Ch. 10.1-10.10. Also fnish Ch. 9.1-9.4. Ch. 11: Vibrations and Waves. Ch. 11.1-11.4, 11.7, 11.11-11.13. L38 F 4/16/10 1 Physics 2010

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

View Full Document
L38 F 4/16/10 Physics 2010 2 Fluids Density: ρ = M / V kg / m 3 H 2 O = 10 3 kg / m 3 air = 1.29 kg / m 3 Pressure: P = F / A Pa = N / m 2 1 bar = 10 5 Pa 1 atm 14.7 psi P = gh P OUT = P IN F OUT = A OUT A IN F IN Pascal’s Principle F buoy = m fluid g = fluid Vg Archimedes’ Principle The buoyant force equals the weight of the ±uid displaced. mechanical advantage
L38 F 4/16/10 Physics 2010 3 A helium-flled balloon oF volume V can carry a total mass M (M includes the mass oF the rubber balloon but not the mass oF the Helium inside). What is the correct expression For the buoyant Force ± B on the balloon? B) ρ helium V g C) Mg D) ( ρ air ρ helium ) V g -- weight of the displaced air.

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.

## This note was uploaded on 08/24/2010 for the course PHYS 2010 taught by Professor Dubson during the Spring '06 term at Colorado.

### Page1 / 12

L38 - Remember:ThisWeek CAPA assignment #13 is due today...

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

View Full Document
Ask a homework question - tutors are online