A wire made ofcopper (density 8.5 g/cmr) is shaped like a
Chapter 6, Problem 13(choose chapter or problem)
A wire made ofcopper (density 8.5 g/cmr) is shaped like a helix that spirals around the -r-axis from -r - 0 to -r : 20. Each cross section of this wire perpendicular to the .r-axis is a circular disk of radius 0.25 cm. What is the total mass of the wire
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