how much glass liquid is required for making 8 glass cube with 54 sq.cm. surface area ?
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surface area of 1 cube=6a^2=54
a^2=9
a=3
volume of glass=8 x volume of cube
=8(3)^3=216 cm^3
approx . density of glass= 2600 kg m^(-3)=2.6 g cm^(-3)
mass=denistyXvolume=2.6*216=561.6 g
a^2=9
a=3
volume of glass=8 x volume of cube
=8(3)^3=216 cm^3
approx . density of glass= 2600 kg m^(-3)=2.6 g cm^(-3)
mass=denistyXvolume=2.6*216=561.6 g
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