A helium balloon lifts a basket and cargo of total weight
A helium balloon lifts a basket and cargo of total weight 2080 N under standard conditions, at which the density of air is 1.29 kg/m3 and the density of helium is 0.178 kg/m3. What is the minimum volume of the balloon?
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a helium balloon lifts a basket and cargo of total weight 2080 n under standard conditions at which the density of air
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