How fast is a wave moving if it had a frequency of 35hz and there are 6 meters between crests?

6 meters between crests means that with each cycle, the wave travels 6 meters. 6 meters per cycle times 35 cycles per second gives 210 meters per second.

Explanation:

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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