Assistance Definition and 214 Threads

ok i am in serious trouble in my math class alos in spelling some of u might think of my word dier i don't think that's how you spell it but whatever. as i was saying i am totally lost in my class not to mention my homework :cry:. Could someone just define function, domain, range, and how to...

Do you have any suggestion to help this chimp?

How do I go about finding the equivalent expression for cot 50 degrees? When I work the problem, I come up with tan 130 degrees. Where am I going wrong?

Hello, I've enjoyed reading these forums for a while now as they have lots of great insight! Today I decided to register so I can ask a question that's been bothering me for a few days now. (By the way, I'm moving onto my senior year as a physics major) So yea, to the question. I have been...

Hello, After a few hours of searching for an active physics message board, I was so happy to find this one and I am hoping for some assistance :smile: I am not looking for homework answers, I have already completed this assignment to the best of my knowledge. I got my paper back today...

Hey I am in need of some assistance. In a problem I need to transfer Joules to quanta but am unsure on how to do it. A radio station is going at 200 KW with a frequency of 103.7 MhZ. So 200,000 Joules a second need to be converted to quanta. Thanks in advance!

Two long, parallel wires hang by 4.00-cm-long cords from a common axis. The wires have a mass per unit length of 1.50×10-2 kg/m and carry the same current in opposite directions. What is the current in each wire if the cords hang at an angle of 6-degrees with the vertical? Basically,,,,,I...

I am working on a project for graduation and I am writing a paper on rail guns, but I am having trrouble understanding the basic principle behind it, Loretnz Force. I've tried to look online for a good site that explains it in laymens terms, but I can't seem to find one. I know that current...

Hi, I carried out the integration until the very end...I don't know how to convert the variable back to the original one. :confused: \int_{R_{0}}^{R(\Theta)}\frac{du}{u\sqrt{a^2-u^2}} Let u = a\sin{\Theta} du = a\cos{\Theta}d\Theta The integral becomes...

I have a problem... Can you help me ?... :confused: I need to calculate the n-derivative of a function of z (complex number)... n derivative of complex function of a complex variable Thanks, fellows ! Looker

I will start studying in my colege from this September on, first year! i bought builder C++ borland. after installing, i find it nopt the same as my friend's, i went look at hers yesterday. No grpahic included in my borlnad C++, i think there must be form in a project for drawing and then after...

I'm new here and not a Chemist. Last learnin' on subject was in HS. Maybe someone can assist. Thanks I have researched Roy Dunlap's 1950 Gunsmithing book and found a solution called 'Old American Rust Blue', and I am contemplating mixing up a batch. Formula calls for Nitric and...

I need help with this word problem. What is the radius of a circle whose area is 154 square centimeters? I know I'm suppost to use the formula A={\pi}r^2 . What do I need to do next?

This is the list from the BBC: Jay Garner, head, Office of Humanitarian Assistance and Reconstruction Bruce Moore, northern area administrator Barbara Bodine, central area administrator Buck Walters, southern area administrator George Ward, humanitarian aid Lewis Lucke...