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OpenStudy (anonymous):

A vertical staircase circles twice around a cylindrical tower that is 160 ft. tall and 100 ft. in diameter. Find a formula for a vector function that traces out the staircase placing the coordinate system such that the axis of the cylinder is the z-axis. Then, find the length of one turn.

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OpenStudy (anonymous):

I have no idea wht the answer to that is, but good luck.

OpenStudy (anonymous):

Well that shape is a helix. Maybe this site would help: http://www.ltcconline.net/greenl/courses/202/vectorFunctions/curvat.htm

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