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How dense the medium is in the compression part of the wave and how rare the medium is in the rarefaction part of the wave is a measure of the longitudinal wave's amplitude.
<span>Heat
energy is the energy of the motion or vibration of molecules in a substance.
The answer is letter A. A wrecking ball on its way down before it hits a
building is an example of kinetic energy being converted into mechanical energy.
The answer is letter D.</span>
Answer:
the third one
Explanation:because coal cause more pollition
Answer:
The energy of one photon is 2.21x10⁻²⁴ J. Multiplied by 10²⁵ is 22.10 J.
Explanation:
The energy (E) of a photon is:
Where:
h: is the Planck's constant = 6.62x10⁻³⁴ J.s
λ: is the wavelength of the radiation = 8.97 cm
c: is the speed of light = 3.00x10⁸ m/s
Hence, the energy of one photon is 2.21x10⁻²⁴ J.
Now, if we multiply the answer by 10²⁵ we have:
I hope it helps you!
