The energy of a photon is given by:

where h is the Planck constant and f is the photon frequency.
We know the energy of the photon,

, so we can rearrange the equation to calculate the frequency of the photon:

And now we can use the following relationship between frequency f, wavelength

and speed of light c to find the wavelength of the photon:
Answer:
electricity because it has more percentage nd energy
Explanation:
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The force on a 64 k person decelerating on that rate would be :
F = ma
F = 64 kg x 30 x 9.8
= 18816 N
Hope this helps