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Math Help - how to solve this DE

  1. #1
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    how to solve this DE

    <br />
\int \frac m{mg - kv}~dv = \int ~dt<br />

    how do i prove that the acceleration undergoes exponential decay???
    Last edited by Jhevon; February 12th 2009 at 12:29 PM. Reason: merged posts
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by razorfever View Post
    <br />
\int \frac m{mg - kv}~dv = \int ~dt<br />
    just integrate both sides and continue. on the left, you can do it by substitution. let u = mg - kv

    note that m, g and k are constants

    how do i prove that the acceleration undergoes exponential decay???
    huh? please state the whole question
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