A person throws a ball from height of 6 feet with an initial vertical velocity of 48 feet per second. Use the vertical motion model,
h = -167 + vt + s, where v is the initial velocity in feet per
second and s is the height in feet, to calculate the amount of time
the ball is in the air before it hits the ground again. Round your
answer to the nearest tenth if necessary
Time in air seconds
Enter the answer

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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prndulum needs thread, weight clock to time swings