Electric field

Here are some ideas we had before we began our first experiment today, which involved using Vpyhon. We also calculated vector r, which we need for our experiment, in the picture above.

Today we started with our study of electric field. We were given an equation: vector E is equal to the F vector divided by the charge on a small test particle. We began the day with an experiment on Vpthon. Given code in which we copied and pasted, we were able to add more code using our new electric field formula and figuring out which way the electric field was pointing from the proton.We found that is was pointing away for the proton. We were also introduced to the "mag" function which is a short hand notation of the calculated magnitude of vector r.
This is our equation for calculating electric field, which is related to electric force (Coulumb's Law).

Here we calculated the net electric field of given points in a system.

Here we calculated the electric field of a point at (0, 2e-10) using Coulomb's Law. Electric field is a vector function so we then found ihat and jhat for the total electric field acting on the pt (0, 2e-10). 

           Here we calculated the equation for electric field due to a differential charge.     

Here we have our work for the next experiment we did, which was finding the electric charge.  we calculated the electric field  corresponding to a continuous charge distribution on a rod at two points in space, P and P'using a spread sheet in excel.