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12345 [234]
3 years ago
12

What do the spheres in this model represent?

Physics
2 answers:
MrMuchimi3 years ago
8 0

Answer:

D. Atoms

Explanation:

The spheres in this model represents the atoms. So, option (D) is correct answer.

andriy [413]3 years ago
3 0

Answer:

Explanation:

the spheres cant be electrons as they will repel each other.

so the ans is D. Atoms

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This is because the new moon is 0.0% and the first quarter is 50%.

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2 years ago
A wire is wrapped 200 times around a hollow cylinder of cross-sectional area 12 cm2 and length 10 cm. Assuming the turns are spr
Sonja [21]

Answer:

The answer is 10.857mJ

Explanation:

The energy stored in this solenoid is given by the below mentioned equation,

U = L*I^{2}/2

where L the inductance of this solenoid is given by the below mentioned equation,

L = u_{0} *N^{2}*A/L

Plugging this into the energy equation you obtain the equation for the total energy stored in the magnetic field of the solenoid, given by,

U = u_{0} *N^{2}*A*I^{2}/(2*L)

where u_{0} is the permeability of free space which equals to u_{0} = 4*\pi *10^{-7} T.m/A. Plugging all the quantities into the above equation from the data in the question after converting to standard units. of meters instead of centimeters, we get for the energy stored in the coil,

U = 10.857mJ

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4 years ago
Why is salt water a better conductor of electricity than river water?
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hope it helps

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A car traveled at an average speed of 60 mph for two hours. How far did it travel?
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Read 2 more answers
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