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  1. Calculating balloon coverage: If you know the diameter of anything that has the shape of a sphere...thing by three and you will have the volume of the sphere. Will this work for a balloon? I do not think so! Most balloons are not perfect ...

    7 Answers · Science & Mathematics · 23/08/2009

  2. Helium balloons rise because the gas Helium inside it is less dense than air. The...rise until it reaches the air that is less dense than the Helium balloon. Just like in water, the most dense object will stay at the bottom, the less dense...

    6 Answers · Science & Mathematics · 14/10/2009

  3. Balloons filled with air will last for days to weeks, and can be ..., always do a test inflation the day before to determine the flying time of the balloons under your conditions. Flying times will depend on the...

    4 Answers · Science & Mathematics · 29/11/2006

  4. The hot air balloon is the oldest successful human-carrying flight technology. On... and François Laurent d'Arlandes in a hot air balloon created by the Montgolfier brothers. A hot air...

    10 Answers · Science & Mathematics · 12/06/2008

  5. Balloons turn out to be a very poor model for numerical calculations involving the gas laws. The reason is that the elasticity of the rubber balloon itself contributes to the forces involved. ...

    5 Answers · Science & Mathematics · 17/11/2010

  6. ...something i recommend you try doing. and it depends on the size of the balloon. a tiny one wont hurt you it will just make you do that squeky thing, but a few big...

    8 Answers · Science & Mathematics · 01/06/2008

  7. Most balloons today are not rubber, they are plastic. It... is not stupid to think about hot air balloons. It is actually fun to build them...

    2 Answers · Science & Mathematics · 12/03/2011

  8. ... in a buoyant force which decreases the apparent weight. Here, the balloons displace air and since He is lighter than air the effect is...

    1 Answers · Science & Mathematics · 09/10/2007

  9. think of a balloon floating in 1 atm of outside pressure...39;s right... 1 atm. Because the balloon is not rigid. It ... collision between a gas molecule and a balloon molecule is a collision between a fast...

    5 Answers · Science & Mathematics · 20/06/2010

  10. step 1fill the balloon with water. Fill the balloon till it gets to be the size of at least a basketball. then put it into a freezer droor. step 2freezing the balloon When you take the ice out of the freezer, the water in the center will usually...

    4 Answers · Science & Mathematics · 22/07/2010

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