26. Let F(x, y, z) = (x, y, z)/(x² + y² + z²)3/2. Show that curl F = 0. Show that V(x+ y² + z2)-1/2 = -F (see Example 2.40 in Section 2.4). %3D %3D 27. Consider the vector field F(x, y) = -(1+x)ye*i – xe j. %3D (a) Show that F(x, y) is conservative. (b) Using the Fundamental Theorem of Calculus, find the potential energy V(x,0) along the x-axis if V (0, 0) = 0. (c) Using the Fundamental Theorem of Calculus, find the potential energy V (0, y) along the y-axis if V (0, 0) = 0. %3D 28. Let F(x, y, z) = x³ yi + z²k. Does there exist a function ƒ such that F = V f? 29. Find F.ds, where F(x, y) = 2xye'i +x²e°(1+ y)j and c is the straight-line segment from (0,0) to (3, -2), %3D (a) Using a parametrization for c. (b) Using the fact that curl F = 0. 30. Check that F(x, y, z) = 2xy²i+ (2x²y + e²)j+ ye°k is a conservative force field in R³. Find the work done by F on an object that moves from (0, 2, – 1) to (3, 2, 0). %3D 31. Show that the vector field F(r) = ||r||²r is a gradient vector field (r = xi + yj+ zk), and find a function f such that Vf = F. %3D 32. Show that the vector field F(r) = ||r||r is a gradient vector field (r = xi + yj+ zk), and find a function f such that Vf = F. %3D 33. Compute [, F ds, where F = (In (x + y²)+x/(x + y²))i + (2xy/(x + y²))j, and e is the part of the curvey = x' from (1, 1) to (2, 8). Use the fact (check it!) that F is a gradient vector field. %3D
26. Let F(x, y, z) = (x, y, z)/(x² + y² + z²)3/2. Show that curl F = 0. Show that V(x+ y² + z2)-1/2 = -F (see Example 2.40 in Section 2.4). %3D %3D 27. Consider the vector field F(x, y) = -(1+x)ye*i – xe j. %3D (a) Show that F(x, y) is conservative. (b) Using the Fundamental Theorem of Calculus, find the potential energy V(x,0) along the x-axis if V (0, 0) = 0. (c) Using the Fundamental Theorem of Calculus, find the potential energy V (0, y) along the y-axis if V (0, 0) = 0. %3D 28. Let F(x, y, z) = x³ yi + z²k. Does there exist a function ƒ such that F = V f? 29. Find F.ds, where F(x, y) = 2xye'i +x²e°(1+ y)j and c is the straight-line segment from (0,0) to (3, -2), %3D (a) Using a parametrization for c. (b) Using the fact that curl F = 0. 30. Check that F(x, y, z) = 2xy²i+ (2x²y + e²)j+ ye°k is a conservative force field in R³. Find the work done by F on an object that moves from (0, 2, – 1) to (3, 2, 0). %3D 31. Show that the vector field F(r) = ||r||²r is a gradient vector field (r = xi + yj+ zk), and find a function f such that Vf = F. %3D 32. Show that the vector field F(r) = ||r||r is a gradient vector field (r = xi + yj+ zk), and find a function f such that Vf = F. %3D 33. Compute [, F ds, where F = (In (x + y²)+x/(x + y²))i + (2xy/(x + y²))j, and e is the part of the curvey = x' from (1, 1) to (2, 8). Use the fact (check it!) that F is a gradient vector field. %3D
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 5CM: Take this test to review the material in Chapters 4 and 5. After you are finished, check your work...
Related questions
Topic Video
Question
Can you help with 28 please?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.Recommended textbooks for you
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning