the radius of a solid gold spare is 0.25 cm density of gold is 19.5g/cm calculate it's mass
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we know that density is equal to mass divided by volume.
volume of a sphere = (4*pi*r^3)/3
given, density of gold =19.5g/cm
radius of sphere = 0.25cm
volume of sphere= (4*3.14*0.25*0.25*0.25)/3
=0.015625cc
density=mass/volume
mass=density*volume
=0.3046875g
volume of a sphere = (4*pi*r^3)/3
given, density of gold =19.5g/cm
radius of sphere = 0.25cm
volume of sphere= (4*3.14*0.25*0.25*0.25)/3
=0.015625cc
density=mass/volume
mass=density*volume
=0.3046875g
ishitatandon:
thank u janhavi
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