If the spacing between the plates, d, is the same in both capacitors, and the voltage across capacitor 1 is V what is the voltage across capacitor 2? a. V/2
b. V
c. 2V
d. 4V

f=ma newton

f=100x2.5=250n

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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helium

oxygen

neon

sodium