~Hello there!
Your question: The scale which rates hurricanes based on their destructive potential is called the?
Your answer: The scale which rates hurricanes based on their destructive potential is called the Saffir- Simpson Scale.
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Explanation:
the unity of the people of the Philippines has been strongly influenced by the culture of Spain ...
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Answer:
An unusual set of circumstances will combine in the early hours of Monday morning resulting in a phenomenon called a super blood wolf moon. A total lunar eclipse will give an apparent reddish colour to the lunar surface – known as a blood moon.
Explanation:
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Answer:
![r^\frac{1}{2}](https://tex.z-dn.net/?f=%20r%5E%5Cfrac%7B1%7D%7B2%7D)
Explanation:
Angular momentum, L = m v r
areal velocity = ![\frac{dA}{dt}](https://tex.z-dn.net/?f=%5Cfrac%7BdA%7D%7Bdt%7D)
according to kepler's 2nd law
![\frac{dA}{dt}=\frac{L}{2m}](https://tex.z-dn.net/?f=%5Cfrac%7BdA%7D%7Bdt%7D%3D%5Cfrac%7BL%7D%7B2m%7D)
since, we know that
![v=\sqrt{\frac{Gm}{r} }](https://tex.z-dn.net/?f=v%3D%5Csqrt%7B%5Cfrac%7BGm%7D%7Br%7D%20%7D)
areal velocity= ![\frac{mvr}{2m} = \frac{vr}{2}](https://tex.z-dn.net/?f=%5Cfrac%7Bmvr%7D%7B2m%7D%20%3D%20%5Cfrac%7Bvr%7D%7B2%7D)
now substituting value of v in areal velocity we get
![\frac{1}{2}\sqrt{GMr}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%5Csqrt%7BGMr%7D)
hence from above equation of rate of change of area swept i.e. areal velocity is proportional to ![r^\frac{1}{2}](https://tex.z-dn.net/?f=%20r%5E%5Cfrac%7B1%7D%7B2%7D)