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kakasveta [241]
3 years ago
13

Elements in the same group/familly of the periodic table are similar in what way

Physics
1 answer:
olga nikolaevna [1]3 years ago
6 0
Their chemicals and their reactions, hope I helped
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True or False: It would be easier to run on a planet with high gravity than one with less gravity.
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True! It would be easier
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local AM radio station broadcasts at a frequency of 685.9 kHz. Calculate the wavelength at which they are broadcasting. Waveleng
natta225 [31]

Answer:

λ = 437 m.

Explanation:

  • Since a radio wave is a electromagnetic type of wave, it propagates approximately at the same speed of light in vacuum, 3*10⁸ m/s.
  • As in any wave, there exist a fixed relationship between the propagation speed, the wavelength and the frequency of the radio wave, as follows:

       c = \lambda* f (1)

  • Replacing by the values of the speed and the frequency, and solving for the wavelength λ, we get:

       \lambda = \frac{c}{f} =\frac{3e8 m/s}{685.9e31/s} =437 m  (2)

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When it is 32º Farenheit, what is the temperature in degrees Celsius?
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Answer:

The answer is B.

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If 212 degrees Fahrenheit is 100 degrees Celsius, then 32 degrees Fahrenheit is 0 degrees Celsius.

7 0
3 years ago
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Two toroidal solenoids are wound around the same form so that the magnetic field of one passes through the turns of the other. S
dedylja [7]

The concept that we need here to give a proper solution is mutual inductance.

The mutual inductance  is given by the expression

M=\frac{N\Phi}{I}

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Part A) Then we have in our values that,

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Replacing in the equation,

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M = 2.39H

Part B) Here is required the Flux, then using the same expression we have that

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We conserve the same value for the Inductance but now we have a current of 2.6, then

\Phi = \frac{2.6*2.39}{690}

\Phi = 9*10^{-3}Wb

Therefore the flux in Solenoid 1 is 9*10^{-3}Wb

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