Chapter 6: Q22MP (page 338)

$\iint V \times ndσ$ over the entire surface of the sphere, iflocalid="1657353129148" $(x - 2)^{2} + (y + 3)^{2} + (z)^{2} = 9, if V = (3 x - y z) i + (z^{2} - y^{2}) j + (2 y z + x^{2}) k$

Short Answer

Expert verified

The solution is $\iint_{\partial T} V \times ndσ = 108 π$ .

Step by step solution

Given Information.

$V = (3 x - yz) i + (z^{2} - y^{2}) j + (2 yz + x^{2}) k$

Definition of Divergence Theorem.

The divergence theorem, often known as Gauss' theorem or Ostrogradsky's theorem, is a theorem that connects the flow of a vector field across a closed surface to the field's divergence in the volume enclosed.

Find the solution.

Use the divergence theorem $∭_{T} \nabla \times VdT = \iint_{\partial T} V \times ndσ$ , where is the surface area that encloses the volume $T$ .

$\nabla \times V = \frac{\partial V_{x}}{\partial x} + \frac{\partial V_{y}}{\partial y} + \frac{\partial V_{z}}{\partial z}$

$= 3 - 2 y + 2 y$

$= 3$

Here, $\partial σ$ is the entire surface of the sphere of radius $2$ centered at $(2, - 3, 0)$ , so $T$ is just the volume of the sphere.

$\iint_{\partial T} V \times ndσ = \iint_{\int_{T}} \nabla \times VdT$

$= 3 \iint_{T} dT$

$= 3 (\frac{4}{3}) (π) (3)^{3}$

$= 108 π$

Hence, the solution is . $\iint_{\partial T} V \times ndσ = 108 π$

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$\iint V \times ndσ$ over the entire surface of the sphere, iflocalid="1657353129148" $(x - 2)^{2} + (y + 3)^{2} + (z)^{2} = 9, if V = (3 x - y z) i + (z^{2} - y^{2}) j + (2 y z + x^{2}) k$

Short Answer

Step by step solution

Given Information.

Definition of Divergence Theorem.

Find the solution.

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Most popular questions from this chapter

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∬V×ndσover the entire surface of the sphere, iflocalid="1657353129148" (x−2)2+(y+3)2+(z)2=9, ifV=(3x−yz)i+(z2−y2)j+(2yz+x2)k

Short Answer

Step by step solution

Given Information.

Definition of Divergence Theorem.

Find the solution.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Magnetism and Electromagnetic Induction

Scientific Method Physics

Mechanics and Materials

Space Physics

Electricity

Fundamentals of Physics

Study anywhere. Anytime. Across all devices.

$\iint V \times ndσ$ over the entire surface of the sphere, iflocalid="1657353129148" $(x - 2)^{2} + (y + 3)^{2} + (z)^{2} = 9, if V = (3 x - y z) i + (z^{2} - y^{2}) j + (2 y z + x^{2}) k$