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3 years ago

13

Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a:Select one:A. quasar. B. bar

red spiral galaxy. C. very flat elliptical galaxy. D. very dusty irregular galaxy. E. normal spiral galaxy.

1 answer:

chubhunter [2.5K]3 years ago

4 0

I believe the answer is:

~D. Very dusty irregular galaxy.

Hope this helps!!!

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Why does self inductance acts as electrical inertia?

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Answer:

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Suppose the electric field in some region is found to be E = kr3 ˆr, in spherical coordinates (k is some constant). (a) Find the

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Answer:

Part a)

$\rho = 3\epsilon_0 k r^2$

Part b)

$Q = 4\pi \epsilon_0kR^5$

Explanation:

Part a)

As we know that electric field intensity due to some given charge distribution is given as

$E = kr^3 \hat r$

now electric flux through a spherical surface of radius r is given as

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$\rho = \frac{q}{\frac{4}{3}\pi r^3}$

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Part b)

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$Q = 4\pi \epsilon_0kR^5$

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