The concentration of acid in a battery is given as a function of time by dx/dz = 37.5 - 3.5x At the initial time, t = 0, battery concentration = 50g/L. Determine the battery concentration after three minutes utilizing Runge-Kutta fourth order method and a step size of, h=1.5min.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The concentration of acid in a battery is given as a function of time by

dx/dz = 37.5 - 3.5x

At the initial time, t = 0, battery concentration = 50g/L. Determine the battery concentration after three minutes utilizing Runge-Kutta fourth order method and a step size of, h=1.5min.

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