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Topic review (newest first)
- Roraborealis
- 2005-03-20 06:35:19
You're such a nice person!
- MathsIsFun
- 2005-03-19 07:52:27
You noticed, and were curious about, the algebra. You write well, too.
- Roraborealis
- 2005-03-19 04:30:54
Thank you.....but how do you know....?
- MathsIsFun
- 2005-03-18 08:47:45
You're doing well!
- Roraborealis
- 2005-03-18 08:24:07
I'm only thirteen!
- MathsIsFun
- 2005-03-18 08:19:23
Depends on where you live. Some countries start Calculus in the final year of high school.
But usually Universities teach it in the first year.
I was thinking of putting a small introduction to it on this website.
- Roraborealis
- 2005-03-18 07:51:11
How old are you expected to be to be at that standard?
- MathsIsFun
- 2005-03-18 07:17:36
The difficult kind ! It has calculus in it.
- Roraborealis
- 2005-03-18 07:04:56
Um...what kind of algebra is that?
- MathsIsFun
- 2005-03-08 20:35:36
A bit outside my area, but I found a website that has ALL sorts of stuff about harmonic motion which could help here
- Su165
- 2005-03-08 19:55:12
Can anyone give me a hand with this, cause I'm stumped and can't remember exactly how to go about solving this.
here's the eqn
m[d^2x/dt^2 + wsubo^2 x] = F cos wt
I'm supposed to show that x(t) = xsubo cos wt
w is the incident freq
wsubo is the resonant freq
m is mass
I'm guessing it has to be shown by undetermined coefficients but I can't find the right path exactly.