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Rainbow [258]
3 years ago
9

What do you call a wave that is made up of electromagnetic feilds

Physics
2 answers:
Olin [163]3 years ago
8 0

In general, no matter what its wavelength is, you can call it
an electromagnetic wave.

If you happen to know its wavelength, then you can be more
specific, and call it a radio wave, an infrared wave, a light wave,
an ultraviolet wave, an X-ray, or a Gamma ray, depending on
what range of wavelengths it's in.

REY [17]3 years ago
8 0
Electromagnetic waves, it just makes sense
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What is rotation and revolution
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A mass attached to a 50.0 cm long string starts from rest and is rotated 40 times in one minute before reaching a final angular
ch4aika [34]

To solve this problem it is only necessary to apply the kinematic equations of angular motion description, for this purpose we know by definition that,

\theta = \frac{1}{2}\alpha t^2 +\omega_0 t + \theta_0

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\alpha =Angular Acceleration

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\theta_0 =Initial angular displacement

For this case we have neither angular velocity nor initial angular displacement, then

\theta = \frac{1}{2}\alpha t^2

Re-arrange for \alpha,

\alpha = \frac{2\theta}{t^2}

Replacing our values,

\alpha = \frac{2(40rev*\frac{2\pi rad}{1rev})}{60^2}

\alpha = 0.139rad/s

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4 0
2 years ago
A. What are the three longest wavelengths for standing waves on a 240-cm-long string that is fixed at both ends?
vovangra [49]

Answer:

a) the three longest wavelengths = 4.8m, 2.4m, 1.6m

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Explanation:

The steps and appropriate formula and substitution is as shown in the attached file.

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