Re: speed distance & time

[Anita Lukaszyk <neety@ozemail.com.au>]

This reminds me of first year Physics. Stop it now!!!   :)

Hubert Lam wrote:

> v = s/t
>
> where v is velocity (or speed if you don't care about direction)
> s is displacement (or distance if you don't care about direction)
> and t is time.
>
> from this you can derive the following:
>
> v = u + at
>
> where a is the acceleration of the object
> v is the final velocity
> and u is the initial velocity
>
> and hence you have
>
> v^2 = u^2 + 2as
>
> and s = ut + 0.5a(t^2)
>
> All you need to know is three of the variables and find the relevant equation of motion and plug
> (substitute) the numbers into the correct places.

--
Anita Lukaszyk
neety@ozemail.com.au
http://www.ozemail.com.au/~neety