Gold, which has a density of \rho g=19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long wire. If a sample of gold with a mass of m=38.64 g is pressed into a leaf of d=1 \mu m thickness, what is the area, A of the leaf?
Question 21Select one:
a.
4.1 m2
b.
2.0 m2
c.
1.52 m2
d.
3.8 m2
e.
2.55 m2