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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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Answer:

Option D

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Explanation:

When at a height of 100 am above and released, the ball initially posses only potential energy. When it falls, some potential energy is converted to kinetic energy.

Initial potential energy= mgh where m is the mass, g is the acceleration due to gravity and h is height. Substituting 1 Kg for m, 9.81 for g and 100 m for h then

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At 50 m, PE will be 1*9.81*50=490.5 J

Subtracting PE at 50 m from initial PE we get the energy that has been converted to kinetic energy hence

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3 years ago
Explain the following observations:
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6 0
2 years ago
Which type of plate boundary or zone would be most likely to lead to above-ground volcanic activity?
Anna007 [38]

Answer:

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Explanation:

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2 years ago
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3 0
2 years ago
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Calculate the magnitude of the force exerted by each wire on a 1.20-m length of the other.
Zielflug [23.3K]

Incomplete question.The complete question is attached below as screenshot along with figure

Answer:

F=6.00*10^{-6}N

Force is repulsive

Explanation:

Given data

Current I₁=5.00A

Current I₂=2.00A

Length L=1.20 m

Radius r=0.400m

To find

Force F

Solution

As the force is repulsive because currents are in opposite direction

From repulsive force we know that:

F=\frac{u_{o}I_{1}I_{2}L}{2\pi r}

Substitute the given values

F=\frac{u_{o}(5.00A)(2.00A)(1.20m)}{2\pi (0.400m)}\\ F=6.00*10^{-6}N

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