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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

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asked Jul 21, 2021 in Mathematics Form 2 by anonymous

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 of solids

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answered Jul 21, 2021 by anonymous

Volume = ^mass/_density
_^1050cm³/_8.4 = 125 cm³
∴ L x L x 0.2 cm = 125 cm³

L2 =^{(125 cm)}/0.2 = 625
L = √(625 ) = 25 cm

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