A weather balloon is filled with 4 N of helium.  When it is at the ground surface, what is the balloon volume in m3?  As a result of solar heating of the balloon, assume the helium is 18.0 deg C warmer than the atmosphere.  Use 9.81 m/s2 for the gravitational acceleration.

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A: Yes. This is a binary system. Specifically this is called a spectroscopic binary system.  

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A:

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A: we can apply Newton's equation of motion for this.

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Q: Please do all parts and show work

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