1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Buoyant liquid

  1. Oct 15, 2006 #1
    buoyant forces

    I was having trouble with this problem. please let me know how to approach this. thanks.

    An empty rubber balloon has a mass of 0.0135 kg. The balloon is filled with helium at a density of 0.181 kg/m3. At this density the balloon is spherical with a radius of 0.400 m. If the filled balloon is fastened to a vertical line, what is the tension in the line?
    Last edited: Oct 15, 2006
  2. jcsd
  3. Oct 15, 2006 #2
    You should show some of ur workings b4 we can help. Alright, just a little clue to get u started. Upthrust- weight= tension of string.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook