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Calculus, log math: Rain fall= p(h)=87 ln h - 680
發問:
The % of moisture is given by p(h) above. Where p is % moisture as height of h feet above sea level. At 4000 feet above sea level, how much (?) % of the moisture is snow? Answer in English to 3 significant digits.
最佳解答:
Rainfall, p(h) = 87lnh – 680 Now, for the height is 4000 feet, i.e. h = 4000 p(4000) = 87ln4000 – 680 = 41.6% (cor. to 3 sig. fig.) So, at 4000 feet above sea level, the mosture level is 41.6%.
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