You're driving down the highway late one night at 22 m/s when a deer steps onto the road 38 m in front of you. your reaction time before stepping on the brakes is 0.50 s , and the maximum deceleration of your car is 10 m/s2 .

speed of the car is given on the road

reaction time is given as

now we can find the distance that it will move during this reaction time

now the deceleration of the car is 10 m/s^2

so the distance that it will move before stop is given by

so the total distance that it require to stop is given as

while the deer is standing at distance 38 m

so the car will stop 2.8 m before the position of deer

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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