during a circus performance, a 64 kg human cannonball is shot out of a 22 m long cannon, if the himan cannonball spends 1.1 s in the cannon, determine the average net force on him in the barrek if the cannon

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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