Silly physics...

Steve Bougerolle steveb at
Wed Feb 12 18:35:05 PST 2003

On Thu, 2003-02-13 at 05:49, James Cozine wrote:

> I did a lab in high school where one determines the acceleration due
> to gravity by swinging a pendulum.  The result should have been 9.8
> m/s^2, but we got 8.8 m/s^2.  I still don't know what we did wrong.

The short answer is probably "you did it in high school." :)

That particular experiment usually has quite large uncertainties
attached to it, actually - especially if you aren't careful about it.

Steve Bougerolle
Creek & Cowley Consulting

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