The unit of denier is a way to characterize fibers, defined as the weight in grams of a length of 9000 meters. Nylon 6 has an average specific gravity of 1.13.
a) what is the weight, on earth, in lb force per mile of 15 denier nylon 6 fiber?
b) what is its cross section in square inches?
c) what is its cross section in square microns?
d) what is its cross section in square angstroms?
e) a pair of nylon stockings made from this material weighs 2.2 oz. What total length of nylon 6 fiber was used to make the stockings?