Page 119 - DJJ20063- Thermodynamics 1

DJJ20063- Thermodynamics 1

4
3
Since the balloon is a sphere, V2 = 
r
3
where r = radius of the balloon

Hence,
4
3
523.9 = 
r
3
Solving gives r = 5 m

Final diameter of balloon, d = 2r = 2 x 5 = 10 m

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