An athlete exerts a tension of 6.00×102n on one end of a horizontal rope that has length 50.0 m and mass 2.50 kg. the other end is tied to a post. if she wiggles the rope with period 0.575 s and amplitude 3.00 cm, what is the angular frequency of the oscillation?

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

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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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