# The glass

1 m3 of glass weighs 2600 kg. Calculate the weight of the glass glazing panel with dimensions of 2.5 m and 3.8 m if the thickness of the glass is 0.8 cm

Result

m =  197.6 kg

#### Solution:

$ρ = 2600 \ kg/m^3 \ \\ \ \\ a = 2.5 \ m \ \\ b = 3.8 \ m \ \\ c = 0.8 \ cm = 0.8 / 100 \ m = 0.008 \ m \ \\ \ \\ V = a \cdot \ b \cdot \ c = 2.5 \cdot \ 3.8 \cdot \ 0.008 = \dfrac{ 19 }{ 250 } = 0.076 \ m^3 \ \\ \ \\ m = ρ \cdot \ V = 2600 \cdot \ 0.076 = \dfrac{ 988 }{ 5 } = 197.6 = 197.6 \ \text{ kg }$

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