Re: question on algebra equation
- From: cody.roux@xxxxxxxxx
- Date: 31 May 2006 09:22:13 -0700
bert a écrit :
Frederiek wrote:
Hi,
I have this physics equation:
s = s0 + v0.t + 1/2.a.t^2
where
s0 = initial displacement
s = final displacement
v0 = initial velocity
t = time
a = acceleration
What I want to do is to write the equation as t = ...
Unfortunately what's left of my notion of algebra, seems not to be
enough to solve this. Can anyone explain how to isolate t in the above
equation?
Thanks,
Frederiek
(sound of rusty parts of brain creaking)
Looks like t = (v0 + sqrt(v0^2 + 2a(s - s0))) / a.
And if v0^2+2a(s-s0) is negative, t would have to be a complex
(imaginary) number. Ah imaginary time, so usefull for goofing off on
those imaginary week ends...
.
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