A napkin ring is being made of cast silver. It has the shape of a cylinder 1.25 inches high, with a cylindrical hole 2 inch in diameter and a thickness of 1/16 inch. How many ounces of silver are needed? [silver weighs 6 ounces per cubic inch]
3 answers
Yes math
inside radius = 1 inch
outside radius = 1.0625 inch
volume = 1.25 (pi)(1.0625^2-1)
= .5062 in^3
mass = 6 * .5062 = 3.04 oz
outside radius = 1.0625 inch
volume = 1.25 (pi)(1.0625^2-1)
= .5062 in^3
mass = 6 * .5062 = 3.04 oz
I don't know the answer I need help
2 answers