A train has maximum speed of 20mls which it can achieve at an acceleration of 0.25 m/s2 o With its breat fully applied the train has a deceleration of o-imis what is the shortest time that 0 train can travel btw Stations 8000m sapart If its stops at both stations?

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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0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr