Tuesday, November 17, 2015

Can't Escape WolframAlpha

How fast does sound travel in chloroform?
3553 km/h  (kilometers per hour)  (at 25 °C  (degrees Celsius))
1, 2, 3, 2, 1, 2, 3, 2, 1, ...
a_n = (n^3+2 n^2+2) mod 4 (for all terms given)

orbital period of the moon27.322 days

No seriously this is starting to be a problem.

permeability of vacuum(pi N)/(2500000 A^2) (A: ampere; N: newton)

movies starring Kevin Bacon and Tom CruiseA Few Good Men

van der Waals gasEquation of State:

(p+(n^2 a)/V^2) (V-n b) = n R T

Internal Energy:
U = 1/2 f n R T-(n^2 a)/V

Isobaric heat capacity:
C_p = (f/2+1/(1-(2 n a (V-n b)^2)/(R T V^3))) n R

Isochoric heat capacity:
C_V = f/2 n R
I can't figure out how to stop. I liked that one with the number sequence. What about the sequence of Fibonacci numbers? That is a good one.

sequence in which each term is the sum of the two previous terms with F_0 = 0, F_1 = 1, F_n = F_(n-1)+F_(n-2)

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, ...
If the sequence is based on the sum of the previous two terms than why doesn't it just stop at 0? 0+0=0
0, 0, 0, 0, 0
Where does the 1 come from?

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