Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site hhb.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!sdcsvax!dcdwest!ittvax!decvax!genrad!panda!talcott!harvard!seismo!cmcl2!philabs!hhb!leon 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 Lines: 26 [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