Physics, 29.11.2019 01:31 beaaaaast3
Aballoon filled with helium gas has an average density of rhob = 0.27 kg/m3. the density of the air is about rhoa = 1.23 kg/m3. the volume of the balloon is vb = 0.084 m3. the balloon is floating upward with acceleration a.
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Aballoon filled with helium gas has an average density of rhob = 0.27 kg/m3. the density of the air...
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