> Message text written by "Randall Young"
> >stopping distance should be proportional
> > to the square of speed,
Dave replied :
> Why? Although it is true that the kinetic energy increases with
> the square of speed (1/2MV*2),
Well, that should tell you right there, since the brakes remove kinetic
energy at a fairly constant rate.
> barring brake fade and if tyres are the
> limiting factor
> the brakes should be capable of a constatn decelleration and the first
> derivative of a square function is linear.
So the stopping *time* is linear. But the distance is still a square
function, because time is multipled by speed and both go up.
Randall
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