A bus drives along a flat road. Its engine produces a forward driving force of 7000 N. Drag forces, D also act on the bus.
The bus has an acceleration of 1.2 m/s2 and a mass of 2500 kg.
1
DE
> 7000 N
(a) Determine the resultant force.

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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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