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Given the mass of iron nucleus as 55.85 ...

Given the mass of iron nucleus as 55.85 u and A = 56, find the nuclear density.
` (u = 1.67 xx 10 ^(-27) kg, r = 1.2 xx 10 ^(-15)m )`

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`rho = M/C = (55.85 xx 1.6603 xx 10^(-27))/(4/3 xx pi xx (1.2 xx 10^(-15))^(3)) xx 1/56 = 2.29 xx 10^(17) kgm^(-3)`
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