Explain the physics that explains how someone can effectively break a board with their hand?

it about 600 mph from what i calculated

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement

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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