The general kinematic equations of motion for horizontal displacement can be simplified significantly for this motion. Write the simplified equation for x in this case. Explain how you have been able to simplify it from this

general displacement equation:

x = xo + Vxot + { axt?

     x = x₀ + v₀ₓ t

      x = v₀ₓ t

Explanation:

The general equations of motion have the form

      x = x₀ + v₀ₓ t + ½ aₓ t²

In the case of movement on the x axis, we assume that there is no friction whereby the acceleration is zero, this is a great approximately the air creates a resistance that is proportional to the size of the body and is linear or quadratic depending on the speed.

Sometimes the reference system is also placed at the exit point of the object whereby x₀ = 0, but this approximation is minor and does not change the shape of the cure

      x = x₀ + v₀ₓ t

      x = v₀ₓ t

come closer and become far apart and become steam/gas

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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