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Firdavs [7]
3 years ago
5

How does a boulder change

Physics
1 answer:
Minchanka [31]3 years ago
3 0

a boulder can change due to erosion and weathering. it can change shape and sometimes color, possibly.

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What is the wavelength of a radio photon from an "am" radio station that broadcasts at 1120 kilohertz?
Alex73 [517]

The wavelength of the radio photon  is 268 m.

Electromagnetic waves travel with the speed of 3×10⁸m/s in vacuum. The speed of a wave <em>c i</em>s related to its frequency<em> f</em> and wavelengthλ as follows:

c=f\lambda

Thus the wavelength is given by,

\lambda =\frac{c}{f}

Substitute 3×10⁸m/s for <em>c</em> and 1120×10³Hz for <em>f</em>.

\lambda =\frac{c}{f}\\ =\frac{3*10^8m/s}{1120*10^3Hz} \\ =267.8 m\\ =268 m

Thus the wavelength of the radio photon from an AM station is 268 m

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Natural gas, a nonrenewable fossil fuel, is often seen as an alternative fuel in the worldwide transition to a renewable energy
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