QUESTION B1 (15 Marks) (a) A pair of identical empty beakers are inserted into opposite ends of a scale. One beaker is filled with one gallon of lead. The other beaker is filled with 10 gallons of water. A copper sphere is suspended inside the water and supported by a string fixed outside the balance. The scale is balanced. What is the volume of the copper cylinder? (7 Marks) H₂O Balanced Pb

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