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Unformatted text preview: sometimes. Error Analysis Discussion: 1. When released in an incompressible fluid in a uniform gravitational field, the balloon that is free to expand will rise higher. As it rises, the pressure outside reduces, so the balloon can expand. Therefore, the buoyant force (equal to the amount of air displaced) is greater than on the balloon that cannot expand, since is it a greater force against the balloon. 2. Knowing the density of the object, once can find the density of the fluid in which it is submersed by determining the volume of the fluid before and after the object has been put in and removed from the fluid (difference between the two values). 3. Fb = (2/5) m l/p...
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- Fall '10