Stupid Definition and 314 Threads

is there a difference between decelaration and a deceleration force or are they just the same thing? thanx(an don't laugh)

hello! I'm new on this forum. I am currently building a paper rocket. Just a question (if you can please help): how much weight do you think spray paint or permanent marker will add to the paper rocket? Thanks in advance,

K = \frac{f_F}{1-f_F} OK, I feel like the stupidest person ever, but if I know K, how do I find fF? I even know the answer.. if K = 0.504.. fF will be 0.335.. which is 33.5%, the other fraction is 66.5%, which is 0.504.. Still can't figure how to solve the formula :(

See http://neko.mi.org/~tawollen/humor/msg02033.html Regards, Carlos Hernandez

I was reading something and it said some people rinse their hair with vinegar after washing it with shampoo because shampoos are basic but it never said why they rinse it with vinegar. Do anyone know why they do that as i found it quite odd?

Stupid Amplitude...HELP! So I am working on some phys homework and I had a question about this problem: If the Amplitude of a sound wave is quadrupled, by what factor will the intensity increase? And I thuoght that the relationship between Intensity and amplitude was that Intensity is...

Has this ever happened to you? Or am I unique or just stupid?? I went to the refridgerator to get myself a drink of soda pop. Unfo rtunately there was no soda. I realized that when I got home from the store I had place the warm 2 liter bottle of Pepsi in the freezer. I opened the freezer and...

I have started this thread to show the stupidity in modern tech lawsuits and how it is affecting innovation and progress. Please post your stupid tech lawsuits. 1) Parents Sue School Over Use of Wi-Fi Network Aparently, the parents believe that Wi-Fi is hazardous to our health and are...

if everyone in the world were to jump up at the same time would that affect the Earth in any way?

Hi, I'm in AP Calculus and I feel really stupid :( I feel really stupid because it's only the first week of school and I'm struggling with the review (I forgot a lot over the summer) I'm posed with these two problems (in addition to many other but I don't want to bore you all :))...

well i know I am wrong somewhere so show me where... couldnt we calculate the size of the universe by taking the speed of light and the estimated age of the universe (14.5 billion years) and consequently use 14.5 billion light-years as a radius and put it into the old spherical volume...

So, I'm in the grocery store one day, and a precious, little six year old girl asked her useless, dreadlocked, most-likely-unemployed father if they can reinact a science experiment she saw on television. He asks, "Is this for school?" She says, "no." He literally says, "Then NO! You...

I have been on the Forums for a long time, and I have seen a lot of acrostics, and abbreviations. But I just can't figure out what IIRC stands for . Can someone tell me please?

Woohoo, a brand new forum to post in! Just thought it didn't feel quite right without this here. So in the tradition of PF 2.0 ask a stupid "quetion" and get a stupid answer back. So to begin... How long do you think it takes to reach a 1000 posts in this topic again?