(b) Calculate the line integral of F along a straight-line path starting at the origin and ending at the point (a, b, c). This path has the parametrie representation 1 = at, y= bt, z = et (0

Advanced Engineering Mathematics
10th Edition
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Q5 vector field,
In Cartesian coordinates, a vector fiekd takes the form
F = 2rz1+ 2y=J+ (r² + y³) k
This question concerns the vector fickd F defined in Question 5.
(b) Calculate the line integral of F along a straight-line path starting at the
origin and ending at the point (a, b, c). This path has the parametrie
representation
I= at, y= bt, z=et (0<t< 1).
(c) Given that the point (a, b, c) could be anywhere, use your answer to
part (b) to find the scalar potential funetion U(1,y, 2) corresponding
to F, such that F = -VU.
(d) Hence, or otherwise, caleulate the value of the line integral of F along a
path defined by the parametric equations
2
I= cos t, y = sin t, z=t (0<t< x).
(Hint: You can use the potential function U caleulated in part (c) to
evaluate this line integral.)
Transcribed Image Text:Q5 vector field, In Cartesian coordinates, a vector fiekd takes the form F = 2rz1+ 2y=J+ (r² + y³) k This question concerns the vector fickd F defined in Question 5. (b) Calculate the line integral of F along a straight-line path starting at the origin and ending at the point (a, b, c). This path has the parametrie representation I= at, y= bt, z=et (0<t< 1). (c) Given that the point (a, b, c) could be anywhere, use your answer to part (b) to find the scalar potential funetion U(1,y, 2) corresponding to F, such that F = -VU. (d) Hence, or otherwise, caleulate the value of the line integral of F along a path defined by the parametric equations 2 I= cos t, y = sin t, z=t (0<t< x). (Hint: You can use the potential function U caleulated in part (c) to evaluate this line integral.)
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