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enot [183]
3 years ago
13

Consider a uniformly charged thin-walled right circularcylindrical shell having total charge Q, radiusR, and height h. Determine

the electric field ata point a distance d from the right side of the cylinderas shown in the figure below. (Use k_e for ke,Q, d, R, and h as necessary.) Suggestion: Use the followingexpression and treat the cylinder as a collection of ring charges.
Physics
1 answer:
Vinil7 [7]3 years ago
6 0

Answer:

\frac{k_eQ}{2h}

Explanation:

The question is missing an image. I have added this as an attachment to my answer.

Given;

Q = total charge

R = radius of cylindrical shell

h = height of cylindrical shell

d = distance of point from the right side of the cylinder

Let the thickness of the cylindrical shell be dx , and the charge  \frac{Qdx}{h},

Now, using the formula for finding the electric field due to a ring at a chosen point:

dE = \frac{k_ex}{(x^2 + R^2)^{\frac{3}{2}}} {\frac{Qdx}{h}i}

where x = center of the ring to the point

k_e = electrostatic constant

We integrate on both sides from the limits d to d + h  in order to determine the electric field at the point E

\int\limits dE = \int\limits^{d + h}_d {\frac{k_eQxdx}{h(x^2 + R^2)^{\frac{3}{2}}}i}

E = \int\limits^{d + h}_d {\frac{k_eQdx}{h(x^2 + R^2)^{\frac{3}{2}}}i}  =  \frac{k_eQ}{2h}  

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Explanation:

To calculate the predicted surface elevation of a 50km thick crust above a surface of 2.5km we are given a density of 3 gram per centimeter cube.

The displacement of the material will be calculated by subtracting the surface elevation of 2.5 km from the 50 km thick crust. Therefore 50-25= 47.5 km.

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50-x=44.3

x=50-44.3= 5.7

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3 years ago
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