The gravitational potential energy of a boulder at 100m is 1000j. what is the g. p.e at 50 m, 20m, 1m, 0m?

50m would be 500j

20m would be 200j

1m would be 10j and

0m would be 0j

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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