Atop a cliff, a rock is thrown vertically upward and reaches maximum altitude in 1.59 sec. Later the rock reaches a speed of 23.4 m/s just before hitting the ground at the base of the cliff. How high is the cliff in meters? Express algebraic solution in terms of tm, vf, and g.

object 2 because all the other ones are wrong

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.

hope this ! this is not copied! search it up, it's free of plagiarism!

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