A student applies a 100 n force at an angle 55 degrees above the horizontal to a 20 kg box. The coefficient of static friction is 0.43 and the coefficient of kinetic friction is 0.3. describe the motion.

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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distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000