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vazorg [7]
3 years ago
6

1600 AM broadcasts radio waves with wavelengths of about 187.37 m. Convert this to miles.

Physics
1 answer:
nikklg [1K]3 years ago
7 0

Answer:

The wavelength in miles is <u>0.1165 miles</u>.

Explanation:

Given:

Wavelength of the radio wave is 187.37 m.

Now, the wavelength is given in meters.

We need to convert the wavelength from meters to miles.

In order to convert meters to miles, we have to use their conversion factor.

We know that,

1 meter = \frac{1}{1609}\ miles

Therefore, the conversion factor is given as:

CF=\frac{1}{1609}\ miles\ per\ meter

So, the wavelength in miles is given as:

Wavelength=\textrm{Wavelength in meters}\times CF\\\\Wavelength=187.37\ m\times \frac{\frac{1}{1609}\ miles}{1\ m}\\\\Wavelength=\frac{187.37}{1609}\ miles\\\\Wavelength=0.1165\ miles

Hence, the wavelength in miles is 0.1165 miles.

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Answer:

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___ acceleration occurs when an object speeds up
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Explanation:

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When there is an increment or increase in the magnitude of velocity of a moving body then it is known as positive acceleration.

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An ice skater spins at 2.5 rev/s when his arms are extended. He draws his arms in and spins at 10.0 rev/s. By what factor does h
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Answer:

The moment of inertia decreased by a factor of 4

Explanation:

Given;

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I_2 = \frac{I_1 \omega_1}{\omega_2} = \frac{I_1*2.5}{10} \\\\I_2 = 0.25I_1 = \frac{1}{4}I_1

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(4.56 x 10^-13)-(1.17 x 10^-13)
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3.39 x 10^-13

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Answer:

c. Case iii

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