[r-t] period of swing

Martin Bright mjbright at liverpool.ac.uk
Wed Jun 15 11:10:35 UTC 2005

--On 15 June 2005 12:04 +0100 Leigh Simpson <simple57uk at yahoo.co.uk> wrote:

> assuming that sin(x) is approximately
> equal to x, i.e. for small angles

But +/- 180 degrees isn't exactly a small angle.  Are you really saying 
that a bell swinging to just below the balance goes at the same speed as 
when it's swinging just a small amount?  In fact, by ringing close enough 
to the balance, you can make the period of the swing as long as you like.


Martin Bright
Department of Mathematical Sciences, University of Liverpool

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