# Kate

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# 36 Actions

 Nov12 accepted removing logs from equation Nov12 comment removing logs from equation So, from the law of exponents, if log(a) = log(b) + T(2x) a = b exp(T(2x)) That's right, right? Nov12 asked removing logs from equation Oct15 accepted re-arrange equation homework check Oct15 comment re-arrange equation homework check How would you do this from the original equation? Oct15 asked re-arrange equation homework check Oct15 accepted calculate order of magnitude difference Aug18 comment calculate order of magnitude difference Not really it just mentions powers of ten? if that helps? Aug17 asked calculate order of magnitude difference Jul1 comment integration of differential equation for wind profile above you have written $\int_{z_1}^{z_2}\frac{dz}{z}-\int_{z_1}^{z_2}\frac{(1-\phi_m(\zeta))}{z}dz$ and then stated that you substitute z = xL, but you only seem to substitute it for the second half of the equation i.e. not in $\int_{z_1}^{z_2}\frac{dz}{z}$ ? Jul1 comment integration of differential equation for wind profile When you say substitute z = xL, why isn't this included in the dz/z integral? Jul1 accepted integration of differential equation for wind profile Jul1 comment integration of differential equation for wind profile I'm sorry I wasnt clear in my response above, you are right it is z0 not z1/L. Jul1 awarded Commentator Jul1 revised integration of differential equation for wind profile added 2 characters in body Jul1 comment integration of differential equation for wind profile Also, if z = xL, where does the 1/L come from? and shouldnt the denominator be xL not x/L Jul1 comment integration of differential equation for wind profile Ah yes, the book does state PSI(zeta) as you have shown above, does this alter the equations much? Jun30 comment integration of differential equation for wind profile I'm still not getting all of this I'm afraid. Firstly, should the first few integrals be from z1 to z2 not z1 to z? Secondly, I can't see where ln(z2/z1) comes from at this stage? Thirdly, prior to substituting PSI_m(zeta) into the final equation how does the integral change from being int_{z1}^{z2} to int_{z1/L}^{z}? Jun30 asked integration of differential equation for wind profile Jan23 accepted convert joules to watts