A square brass plate is 2 mm thick and has a mass of 1.05 kg. The density of the brass is 8.4 g/cm3. Calculate the length of the plate in centimeters
Volume = mass/density 1050cm3/8.4 = 125 cm3∴ L x L x 0.2 cm = 125 cm3
L2 = (125 cm)/0.2 = 625L = √(625 ) = 25 cm
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