The density P of a spherical ball of diameter d and mass m is given by

• A.P = \(\frac{3m}{4 \pi d^3}\)
• B.p = 4\(\pi md^3\)
• C.p = \(\frac{6m}{\pi d^3}\)
• D.p = \(\frac{3m}{2 \pi d^3}\)