We find the total curvature of the portion of a smooth curve that runs from s =
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We find the total curvature of the portion of a smooth curve that runs from s = s0 to s = s1 > s0 by integrating κ from s0 to s1. If the curve has some other parameter, say t, then the total curvature is
where t0 and t1 correspond to s0 and s1. Find the total curvatures of
a. The portion of the helix r(t) = (3 cos t)i + (3 sin t)j + tk, 0 ≤ t ≤ 4π.
b. The parabola y = x2, -q
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Related Book For
Thomas Calculus Early Transcendentals
ISBN: 9780321884077
13th Edition
Authors: Joel R Hass, Christopher E Heil, Maurice D Weir
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