what is the mass of a solid steel wrecking ball of radius 15cm, knowing that the density of
solid steel is 7.8x10 3^?
R = 0.15 meter
V = 4/3 pi R^3 = 0.0141 meter^3
m = density * V = 7.8 * 14.1 = 110 kg
solid steel is 7.8x10 3^?
V = 4/3 pi R^3 = 0.0141 meter^3
m = density * V = 7.8 * 14.1 = 110 kg