I would not normally stop to answer this question, mainly because there is no question asked. It's just three statements.
I do have to stop here and leave a remark, however.
Math and Physics are closely enough related that I would not have expected to see what I see here. Although the math in this question is reasonable, the Physics is inexcusable.
A rainbow is always a part of a circle. Rainbows are never parabolas.
You could never cut a parabola out of paper, and then hold it up in front of you after a rainstorm, and match it to the rainbow.
the factors and prime factorization of 14 and 28. (The biggest common factor number is the GCF number) So the greatest common factor 14 and 28 is 14.Jul