A ribbon is placed on a loop of the spring; the ribbon vibrates but it does not propagate with the wave Explain the results.​

where are the vectors ?

a.) travels faster in solids because the particles are closer together.

air is a gas water is a liquid

attach the statements so i can answer : )

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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