The weight of cube material of 14 cm side and whose density is 7.8gms/cc is
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density is equal to mass/volume
7.8gmc3= mass/ volume
volume =a^3 or a cube
a is 14
a^3=14^3=2744
7.8gcm3=mass/2744
mass=7.8gcm3 X 2744
mass =21403.2g or 21.4032 kg
7.8gmc3= mass/ volume
volume =a^3 or a cube
a is 14
a^3=14^3=2744
7.8gcm3=mass/2744
mass=7.8gcm3 X 2744
mass =21403.2g or 21.4032 kg
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