A 21.6 kg copper mass rests on the bottom of a pool. (The density of copper is 8.92 ✕ 103 kg/m3 and the density of water is 1.00 ✕ 103 kg/m3.)     (a) What is the volume of the copper (in m3)? ____m3   (b) What buoyant force acts on the copper (in N)? (Enter the magnitude.) _____N

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