# Search results

1. ### Basic Electrical Engineering

Homework Statement I'm currently trying to find the total resistance of my resistors in my curcuit I have designed. Homework Equations I'm using the equation V = IR, where V = Potential difference in volts, I = Current in Amps and then there's R... It's a constant of sorts but I...
2. ### Need Simple Circuit Schematic!

I've been asked to make a simple circuit design for a physics class. Basically, I'm looking for something like this: http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#eyes.gif [Broken] I need something with an item list and a guide as to how to connect it... needs a diagram...
3. ### Circuit Schematic

I've currently got an assignment for a basic physics class. The job to be done is that I need to create a simple circuit that holds some use in society. It doesn't need to be too complicated but I've been stuck on finding a decent website that I could get a circuit schematic/build instructions...
4. ### VB Problem

Just have to get a picture box to move around a screen, I'm running the program by a timer. I'll show set integers below. Timer = Timer1 Picture Box = Robot Dim Robotpace as integer Basically, when you click on the start button it enables the timer. Here's the coding. Private...
5. ### The Photoelectric Effect.

Homework Statement Having some problem with this question: The threshold fequency for a material is 5.0*10^14 Hz. Find (a) the work function and (b) the maximum velocity of electrons ejected by radiation of frequency 8.0*10^14 Hz. The mass of an electron is 9.1*10^-31kg. Homework...
6. ### Projectile Motion of trebuchet

Homework Statement I'm looking at trebuchets. Basically, a trebuchet shoots a projectile with an initial velocity of 30ms-1 at an angle of 55, 65 and 75 degrees. Friction/Wind resistance do not account. I need to find the maximum height reached, the time the projectile spends in the air...
7. ### Trebuchet, what to look for?

Homework Statement I've been asked to complete a report on an ancient weapon (Trebuchet chosen) for a final year paper. Basically its to be structured like this: - An introduction including a brief history of the ancient weapon i.e where it was used, why etc. - An explanation of the...
8. ### Bridge Work

I'm currently in my final year of highschool, doing physics. We have been given an assingment about bridge structures. Basically, we build a bridge out of spaghetti, test it and discuss it. I'm thinking of things in which I can talk about. I've built an Arch Design Bridge. Mainly due to...
9. ### Bridge design homework problem

I need a bit of help here. I have an upcoming assessment towards bridge design. The task is to create and construct a bridge made out of dried spaghetti sticks. The bridge is to be as light as possible while holding the most weight. I currently have 1 main design I'm leaning towards, but I'm...