14-11-2022
Physics

Answered

A helium-filled weather balloon is held at ground level. The volume of the balloon is 4800 m3. The pressure of the helium is 98 kPa.
The balloon is released and rises to a height where the volume of the balloon is 7200 m3.
(i) Calculate the new pressure of the helium. Assume that the temperature stays constant.

Answer :

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