Question: 1 7 ) If a 5 . 0 kg balloon is filled with helium ( PHe = 0 . 1 7 8 kg / m

17) If a 5.0 kg balloon is filled with helium (PHe =0.178 kg/m3) is to lift a 30 kg person. What is the volume V in cubic meters (m3) to accomplish this task? The density of air is Pair =1.29 kg/m3?

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