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April 19, 2014

Homework Help: Physics

Posted by George on Friday, October 11, 2013 at 3:32pm.

A spherical helium filled balloon is attached to a string that is fixed to the ground. the balloon has a volume of .30/4m^3 and helium has a density of .20 kg/m^3. What is the weight of the balloon and helium if the tension on the string is .8N?

What is the Gravitational force on the helium alone?

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