What’s wrong? Consider the rotation field F = ( − y , x ) x 2 + y 2 . a. Verify that the two-dimensional curl of F is zero, which suggests that the double integral in the circulation form of Green’s Theorem is zero. b. Use a line integral to verify that the circulation on the unit circle of the vector field is 2 π . c. Explain why the results of parts (a) and (b) do not agree.
What’s wrong? Consider the rotation field F = ( − y , x ) x 2 + y 2 . a. Verify that the two-dimensional curl of F is zero, which suggests that the double integral in the circulation form of Green’s Theorem is zero. b. Use a line integral to verify that the circulation on the unit circle of the vector field is 2 π . c. Explain why the results of parts (a) and (b) do not agree.
Solution Summary: The author explains that the two dimensional curl of the vector field is zero.
What’s wrong? Consider the rotation field
F
=
(
−
y
,
x
)
x
2
+
y
2
.
a. Verify that the two-dimensional curl of F is zero, which suggests that the double integral in the circulation form of Green’s Theorem is zero.
b. Use a line integral to verify that the circulation on the unit circle of the vector field is 2π.
c. Explain why the results of parts (a) and (b) do not agree.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Ministry of Higher Education &
Scientific Research
Babylon University
College of Engineering -
Al musayab
Subject :Engineering Analysis
Time: 80 min
Date:11-12-2022
Automobile Department
2nd month exam / 1" semester (2022-2023)
Note: Answer all questions,all questions have same degree.
کورس اول
شعر 3
Q1/: Use a Power series to solve the differential equation:
y" - xy = 0
Q2/:Evaluate using Cauchy's residue theorem,
sinnz²+cosz²
dz, where C is z = 3
(z-1)(z-2)
Q3/:Evaluate
dz
(z²+4)2
Where C is the circle /z-i/-2,using Cauchy's residue theorem.
Examiner: Dr. Wisam N. Hassan
Ministry of Higher Education &
Scientific Research
Babylon University
College of Engineering -
Al musayab
Subject :Engineering Analysis
Time: 80 min
Date:11-12-2022
Automobile Department
2nd month exam / 1" semester (2022-2023)
Note: Answer all questions,all questions have same degree.
کورس اول
شعر 3
Q1/: Use a Power series to solve the differential equation:
y" - xy = 0
Q2/:Evaluate using Cauchy's residue theorem,
sinnz²+cosz²
dz, where C is z = 3
(z-1)(z-2)
Q3/:Evaluate
dz
(z²+4)2
Where C is the circle /z-i/-2,using Cauchy's residue theorem.
Examiner: Dr. Wisam N. Hassan
Which degenerate conic is formed when a double cone is sliced through the apex by a plane parallel to the slant edge of the cone?
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