Recent content by mart

so isn't that equivalent to delta? I got it if that is the case, it makes much more sense now :)

I was watching a video and this guy comes up with a formula which I should know and it is not very strange to me, but there is this 'd' variable, which I believe we don't use in my country... perhaps we give it another name or so and I'm getting quite confused reading american/english materials...

like: 0=h+1/2a*t12 and 0=h+360*t2 ? Cya tomorrow then. I really hope my teacher doesn't give the solution i wanted to arrive on it on my own. Or at least if not on my own with some help, but not with the solution in front of me :S

:) I'm at 0=h+360*t1+h+5*t2*t2 4=t1+t2 I've been 1 hour stering at this trying to solve it. I just don't know what to do anymore. I'm going to keep trying for more 10 min or so i have a programing test tomorrow. But if you could give me a hint or something would be great. I know t1...

Homework Statement Well this problem consists in, as the title says. A rock fall down a well, and it took you 4 seconds to ear the noise. It would be a rather easy problem, if it didn't had the sound in consideration. Oh and rigth now I apoligize for any errors or mistakes, I'm portuguese so...