Lab 9 electrical Field ->Electric Field(Ef), ActivPhysics simulation questions, 3D Models, Superposition of Electric Field Vectors(proof of vector addition), Extended Charge Distribution, Electric Hockey<-

Here demonstrates the strong nuclear forces at work by explaining through the Feynman diagram of photons.

In the class, we were realizing the power of gravity. First, historically, people formulated is that there is a graviton, a massless particle that is emited by both objects that were attracted toward each other. Later, we find out we related our universe to the space time continuum. Inside space time, objects warps space and creates a pull inward thus showing a presentation of the picture above.   

 

In the above four pictures, Professor Mason used his polystyrene plate to make two hemispheres resemble positive and a negative charges that act as dipoles to help students visualize the attraction of marble into the negative and repelling force from the positive side.

This was the calculation spreadsheet of the different distances the equation E=Kq/r^2

http://media.pearsoncmg.com/bc/aw_young_physics_11/pt2a/Media/Electricity/1104PointCharge/Main.html

Calculations of vectors

3 Charges would repel and spread out the max distance, which would have a distance geometry of equilateral triangle.

Calculation steps.

More calculation steps

Data for dQ E, Ex, Ey, Q and k.

Graph for dQ and r and other variables relationships as Total E is approaching 6.0e4.

Calculation of Efield.

Here, Prof mason shows how to play a easy level of electric hockey. 

Hw
From the ice hockey challenge we had done several tries and used various method to find the best efficient way to make a goal. The best we found was going outside the box. But shortly after the group found the answer, I found the way to go inside the box and make a goal which was initially conceptually not easy because the whole screen is a vector field and there is a need to do some trials and errors to get the hang of how the charge will fly a parabolic path we want.

Here is the way I used 10 charges to beat this level the normal way.

From a another perspective I have gained enough understanding of electric hockey trajectory, I learned to control the trajectory using only electron for both level 2 and 3 shown below.

Beating level 3 with one charge.

Ice hockey game is very interesting
Theoretically one would need to be really be skillful to use 1 charge to make both levels.
However, upon further analysis, one can do it with zero charge by guiding almost in and drop the charge with the correct trajectory path.