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Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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Suppose F(x, y) =-yi+aj and C is the line segment from point P = (3,0) to Q = (0,4).
(a) Find a vector parametric equation r(t) for the line segment C so that points P and Q correspond to t= 0 and t = 1, respectively.
F(t) =
(b) Using the parametrization in part (a), the line integral of F along Cis
So
- [* F(F(t)) - F' (t) dt = SC
dt
with limits of integration a =
and b=
F. . dr =
(c) Evaluate the line integral in part (b).
(d) What is the line integral of F around the clockwise-oriented triangle with corners at the origin, P, and Q? Hint: Sketch the vector field and the triangle.
Transcribed Image Text:Suppose F(x, y) =-yi+aj and C is the line segment from point P = (3,0) to Q = (0,4). (a) Find a vector parametric equation r(t) for the line segment C so that points P and Q correspond to t= 0 and t = 1, respectively. F(t) = (b) Using the parametrization in part (a), the line integral of F along Cis So - [* F(F(t)) - F' (t) dt = SC dt with limits of integration a = and b= F. . dr = (c) Evaluate the line integral in part (b). (d) What is the line integral of F around the clockwise-oriented triangle with corners at the origin, P, and Q? Hint: Sketch the vector field and the triangle.
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