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defon
3 years ago
6

I need help with this please

Physics
1 answer:
Firdavs [7]3 years ago
6 0
C is the answer to the question
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Ask Your Teacher In the air over a particular region at an altitude of 500 m above the ground, the electric field is 120 N/C dir
strojnjashka [21]

Answer:

1.475\times 10^{-13}\ C/m^3

Explanation:

\epsilon_0 = Permittivity of free space = 8.85\times 10^{-12}\ F/m

A = Area

h = Altitude = 600 m

Electric flux through the top would be

-110A (negative as the electric field is going into the volume)

At the bottom

120A

Total flux through the volume

\phi=120-110\\\Rightarrow \phi=10A

Electric flux is given by

\phi=\dfrac{q}{\epsilon_0}\\\Rightarrow q=\phi\epsilon_0\\\Rightarrow q=10A\epsilon_0

Charge per volume is given by

\rho=\dfrac{q}{v}\\\Rightarrow \rho=\dfrac{10A\epsilon_0}{Ah}\\\Rightarrow \rho=dfrac{10\epsilon_0}{h}\\\Rightarrow \rho=\dfrac{10\times 8.85\times 10^{-12}}{600}\\\Rightarrow \rho=1.475\times 10^{-13}\ C/m^3

The volume charge density is 1.475\times 10^{-13}\ C/m^3

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3 years ago
Natalie and Will are discussing socialization. Natalie says that socialization occurs when an animal becomes accustomed to the p
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The correct answer for this question is this one: "C. Neither Natalie nor Will." Natalie and Will are discussing socialization. Natalie says that socialization occurs when an animal becomes accustomed to the people in the household. <span>Will says that socialization is easily attained if the animal is first exposed to humans after 12 weeks of age.</span>
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Light travels in a straight line at a constant speed of 3,0 x 108 m/s for 4,1
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As the velocity of light is constant so the acceleration of the light is equal to zero.

a= dv/dt

Explanation:

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The image shows the electric field lines around two charged particles.
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It's either 3 or 4 I know this becuase I have read a book about electricity
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People are constantly being barraged with low-level radiation. Which radiation source below contributes the most low-level radia
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I think the answer is C) Radond

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