I think you forgot to hit [b:b664fce8e0]ENTER[/b:b664fce8e0] after you have changed the number in the textFields.

Please try it again and it should work fine.
The following table will help you to calculate it!
You can enter [b]reaction time[/b],[b]driving speed[/b],[b]friction coeffcient[/b] and select the speed unit.
[b]reaction time[/b]s
[b]driving speed[/b]
D[sub]react[/sub]
[b]friction coeffcient[/b]
D[sub]brake[/sub]
D[sub]stop[/sub]



[url=http://www.emmauscollege.nl/nask/applets/reactietijd_bestanden/reactietijd.htm]Dutch version web page[/url]


http://www.youtube.com/watch?v=xu3vpV_kBlU

http://www.youtube.com/watch?v=xI2461dDnwc