Posted by **bobby** on Tuesday, August 21, 2012 at 8:38pm.

You have two balloons, one large (30 cm in diameter) and one small (15 cm

in diameter) filled with helium. Both balloons are made of the same

material (latex) and have the same unfilled material thickness (2 mm) and

have a 3 cm diameter. You release both balloons at sea level and they begin

to float. As the balloon floats, the pressure that it is exposed to will

change and so will the temperature. These changes in pressure will affect

the size of the balloon. The change in the balloon size will affect the

thickness of the material, which will influence the surface tension that

the material can withstand. Plot the diameter of the balloon as a function

of height. At what height will the balloons explode? What was the velocity

of the balloon when that happened?

State your assumptions and present all of your calculations.

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