Constant Acceleration

[Walter]

Just to add a bit more - you can have average speed and average velocity and you can have instantaneous speed and instantaneous velocity. If your velocity or speed is constant then the average and instantaneous values will be the same.

In order to determine instantaneous values when they are not constant you need to take the derivative of the displacement vs time function.

It is possible, mathematically, that you can’t determine the instantaneous value at every point in time of the rate of change of something even though you can determine it’s average value and you have a well defined time based function for the something. With respect to displacement that would only happen at the quantum level in the real world.

If we wanted to determine the work done on an object using the formula W = F x d it’s straightforward if F(d) is constant but if F(d) is not constant then we would need to integrate force with respect to distance to get the total work done.

[Bernd Ziesche]

Hi Walter,
You holding any stocks in the anti headache pills department?
I will have to reread to make sure I fully get that!
Sometimes I wish we would have a German language week here!
Cheers
B