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From: leon@hhb.UUCP (Leon Gordon)
Newsgroups: net.math
Subject: Re: Solution to a weighty problem?
Message-ID: <201@hhb.UUCP>
Date: Wed, 6-Feb-85 14:59:01 EST
Article-I.D.: hhb.201
Posted: Wed Feb  6 14:59:01 1985
Date-Received: Mon, 11-Feb-85 03:57:49 EST
References: <423@decwrl.UUCP>, <1271@ut-ngp.UUCP>
Organization: HHB-Softron, Mahwah, NJ
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[between meal snack]

I'm afraid that what you missed is that the original article had a 
typo (or thinko??).  the equation:

	 2
	t  y''(t)  = K

is trivial to integrate, but it is not the equation of motion for a 
particle under gravity.  A point particle under the influence of 
gravity (in one dimension!) is:


		         K 
               y''(t) = ----
			   2
			 y

which is considerably more difficult.

HINT:  read Goldstein's  Classical Mechanics (Addison-Wesley, I think)....


						leon
			{decvax,ihnp4,allegra}!philabs!hhb!leon