P15_071 - 71. The downward force on the balloon is mg and...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
71. The downward force on the balloon is mg and the upward force is F b = ρ out Vg . Newton’s second law (with m = ρ in V )leadsto ρ out Vg ρ in Vg = ρ in Va = µ ρ out ρ in 1 g = a. The problem speciFes ρ out in =1 . 39 (the outside air is cooler and thus more dense than the hot air
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

Ask a homework question - tutors are online