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Re: [Phys-l] NYT article: Centrifugal force


How would one go about calculating this one third of a degree?... I would just like to know the starting point so I can have a go. Thanks

ALex

--- On Fri, 3/7/09, John Denker <jsd@av8n.com> wrote:

From: John Denker <jsd@av8n.com>
Subject: Re: [Phys-l] NYT article: Centrifugal force
To: "Forum for Physics Educators" <phys-l@carnot.physics.buffalo.edu>
Date: Friday, 3 July, 2009, 2:16 PM
On 07/02/2009 08:11 PM, Anthony
Lapinski wrote:
In temperate latitudes, the direction "up/down" differs
from the
direction "straight toward the center of the earth" by
about 1/3rd
of a degree, due to the centrifugal contribution to the
universally-
accepted practical notion of "up/down".