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Burka [1]
3 years ago
14

How many constellations are there?

Physics
2 answers:
neonofarm [45]3 years ago
8 0
There are 88 constellations. 
As of now, 14 men and women, 9 birds, 19 land animals, 10 water creatures, 2 centaurs, 2 insects, 1 head of hair, a dragon, a flying horse, a serpent, a river, and 29 inanimate objects. 

I hope this answered your question, good luck on your assignment. 
xxTIMURxx [149]3 years ago
4 0
There are 88 constellations
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A very small source of light that radiates uniformly in all directions produces an electric field amplitude of 8.45 V/m at a poi
Mandarinka [93]

Answer:

4.43 kW

Explanation:

Since Intensity I = P/A = E²/2cμ₀ where P = Power, A = Area = 4πr² where r = distance from source = 61 m and E = electric field amplitude = 8.45 V/m.

P = E²A/2cμ₀ = E²4πr²/2cμ₀ = 2πE²r²/cμ₀

  = 2π(8.45 V/m)²(61 m)²/3 × 10⁸ m/s × 4π × 10⁻⁷ Tm/A

  = 4428.1 W

  = 4.4281 kW ≅ 4.43 kW

6 0
3 years ago
Yellow light with wavelength 600 nm is travelling to the left (in the negative x direction) in vacuum. The light is polarized al
kiruha [24]

Answer: (a) and (b) => check attached file.

(c). Picture (a) and (b) will both remain the same.

Explanation:

IMPORTANT: The solution to the question (a) and (b) that is  (a) Draw a neat snapshot mode labeled vector picture of the wave. (b) Draw a neat movie mode labeled vector picture of the wave is there in the ATTACHED FILE/PICTURE.

It is also worthy of note to know that in anything Electromagnetic wave, the magnetic field, the Electric Field and their direction of propagation are perpendicular to each other.

Therefore, knowing the fact above we can say that in yellow light, the magnetic field is in the y-direction and the Electric Field is in the z-direction.

Hence, the solution to option C is given below;

(C).If the wave were to represent blue light instead of yellow light, picture (a) will remain the same because both light are Electromagnetic wave, although the wavelength will have to change. Picture (b) will also remain the same because they are both Electromagnetic waves and possess similar properties.

8 0
4 years ago
A fission reaction is one in which the weaker electrostatic repulsion force wins out over the ___________ nuclear force and, as
natulia [17]
The answer is b. Strong

6 0
4 years ago
Read 2 more answers
Please help with this whole page! Offering a lot of points​
Sliva [168]
Do you know what lesson this is ? i can probably help
8 0
3 years ago
A coil of conducting wire carries a current of i(t) = 14.0 sin(1.15 ✕ 103t), where i is in amperes and t is in seconds. A second
Advocard [28]

Answer:

The peak emf in second coil is 1.876 V

Explanation:

Given :

Inductance L = 130 \times 10^{-6} H

The current I(t) = 14 \sin(1.15\times 10^{3} t)

We compare above equation with standard equation,

  I(t) = I_{o} \sin (\omega t + \phi)

From above equation we have,

  \omega = 10^{3} and \phi = 1.15

Find the inductive resistance,

  X_{L} = \omega L

  X_{L} = 10^{3}  \times 130  \times 10^{-6}

  X_{L} = 0.134

The peak emf in second coil is,

   V = I_{o} X_{L}

  V = 14 \times 0.134

  V = 1.876 V

Therefore, the peak emf in second coil is 1.876 V

8 0
3 years ago
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