Re: acceleration

["Taliesin Walker" <taliesin@chariot.net.au>]

centripital acceleration is given by

a = v^2/r

v is the linear velocity
r is the radius



geoff dawson <geoffrey.dawson@aph.gov.au> wrote in message
s6sR4.134$ly2.5530@nsw.nnrp.telstra.net">news:s6sR4.134$ly2.5530@nsw.nnrp.telstra.net...
> 'Acceleration' can mean not only 'getting faster while travelling in a
> straight line' (what we think of mostly) but also 'moving at constant
speed
> on a curve'.
> Does anyone know a formula to relate the radius of a curve, the speed of
the
> train and the acceleration?
> Ie a train travelling at a constant speed x m/sec around curve radius y
> metres experiences an acceleration of how many m/sec/sec?
> Thank you.
> Geoff Dawson in Canberra.
>
>