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Answers (1)
volume of the 5/2 cm sphere = (4/3)π(5/2^3) = (625/6)π cm^3 volume of shell = (4/3)π(5^3) - (4/3)π(4^3) = (244/3)π cm^3 since the mass is a function of the volume, (625/6)π × X = (244/3)π × 6.25 X = 48.8kg
