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radius r. You (6] You are presented with a (hollow) sphere of density p, outer radius R and unknown inner are told that when the sphere is suspended from a rope while completely immersed in a fluid of density phua the tenson is a faction fo the tension when suspended by the same rope in air. Determine r in terms of p, f and R. Og will cancel out.) Neglect par relative to both ρ and ρ/uid.
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