how much energy is required to move 3.2X10^19 Coulomb of charge through a potential difference of 5 volts

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

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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