SOLUTION: Please Help with this. My teacher did not explain how to do these problems. Use the formula D^3 = 216T^2 1. Find what happens to the duration of a storm if its diameter is dou

Question 565529: Please Help with this. My teacher did not explain how to do these problems.
Use the formula D^3 = 216T^2
1. Find what happens to the duration of a storm if its diameter is doubled.
2. determine how long a storm will last if it has a diameter of 10 mi.
Thank you so much.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use the formula D^3 = 216T^2
1. Find what happens to the duration of a storm if its diameter is doubled.
T = sqrt[D^3/216]
-----------------------
Find "T" when D is doubled:
T = sqrt[(2D)^3/216]
T = sqrt(8D^3/216]
T = (2sqrt(2)
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