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A 1.8-g balloon is filled with helium gas. When a mass of 4.8 g is attached to the balloon, the combined mass hangs in static equilibrium in midair. Assuming that the balloon is spherical, what is its diameter? (The density of helium is 0.179 kg/m3, and the density of air is 1.3 kg/m3.)

  • Physics -

    These problems can be solved using Archimedes principle. Show your work foor additional assistance.

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