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January 28, 2015

January 28, 2015

Posted by **karan** on Tuesday, August 19, 2014 at 3:50pm.

- physics -
**Damon**, Tuesday, August 19, 2014 at 5:03pmdv/dt = -kv

dv/v = - k dt

ln v = - k t + c

e^ln v = v = e^(-kt +c) = e^c e^(-kt)

when t = 0, v = Vo

Vo = e^c e^0 = e^c

so

v = Vo e^-kt

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