1. A sprinter runs 100m in 10s Find the average speed in m/s.
A horse rider rides for 2 hours and covers a distance of 36 km. What is
his average speed?

10 m/s

Explanation:

as sprinter runs 100 m in 10 seconds...to find average speed in m/s we should divide 100m/s by 10 m/s

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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