Using the results of Problem 1.7, show that de r / d = e and de
Question:
Using the results of Problem 1.7, show that der / dθ = eθ and deθ /dθ = – er.
Data From Problem 1.7
Show that the unit vectors er and eθ in a cylindrical coordinate system are related to the unit vectors ex and ey by
er = ex cos θ + ey sin θ
and
eθ = ex sin θ + ey cos θ
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Related Book For
Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781119723547
7th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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