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From: moroney@jon.DEC
Newsgroups: net.math
Subject: Re: Solution to a weighty problem?
Message-ID: <462@decwrl.UUCP>
Date: Tue, 5-Feb-85 10:05:40 EST
Article-I.D.: decwrl.462
Posted: Tue Feb  5 10:05:40 1985
Date-Received: Thu, 7-Feb-85 01:59:02 EST
Sender: daemon@decwrl.UUCP
Organization: DEC Engineering Network
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>Does anyone know the solution y=f(t) for the following differential equation?
>
>		 2 ,,            ,
>		t y  (t)=K      y (0)=K1,  y(0)=K2
>                                   ,,                                ,
>where K, K1 and K2 are constants, y   is the second derivitive, and y is the
>first derivitive and t is the independant variable?  This is an equation of
>the motion of an object under the influence of gravity as a function of time.

Sorry, folks, but I made a mistake.  The equation I meant is as follows:

		 ,,                 ,
		y  (t) = K/(y^2)   y (0)=K1,  y(0)=K2.


Again, thanks in advance for your assistance.

Mike Moroney
..!decvax!decwrl!rhea!jon!moroney

Tue 5-Feb-1985 09:57 EST