Re: Pendulum mechanics

From: Damien Broderick (damien@ariel.ucs.unimelb.edu.au)
Date: Fri Jul 18 1997 - 05:52:35 MDT


At 08:13 PM 7/17/97 -0400, Mike Lorrey of spacedrive fame wrote:

>How can a little kid (or an adult for that matter) sit on a perfectly
>still playground swing, begin rocking back and forth, and within a
>minute be wizzing back and forth to a pretty good height, without ever
>touching the ground or other still grounded object?

Michael, Michael! It's connected at the top. (Unlike the spaceship.)

Damien Broderick



This archive was generated by hypermail 2.1.5 : Fri Nov 01 2002 - 14:44:36 MST