Tenth Day

Spring 2015
26th of March's Class

We start the day learning of moment, which is the equivalent of torque in kinetics. This is how the equations were set up:

Then we expanded it to form the formula for Energy:

Professor Mason then tested our understanding of electric field by having two points with opposing charges fixed in a certain position, and he went around the lab to randomly draw a charge at random position on the whiteboard. We were supposed to make a guess on how the charge would move through the electric field. This was our board, and we got it right:

The charge that Professor Mason drew was the blue positive charge.

After that we spent a great deal of our time coding on Python, hence we had no images to show for this part.

After we were done with the coding practice for Python, Professor Mason introduced the concept of Flux to us. Flux going into the system is treated as a negative, while going out of the system is taken as positive.

Professor Mason then gave us this question, shown in the picture below:

Assuming that the cube is a system, and the blue arrows indicate the direction of the electric field being applied, we were supposed to guess how many faces would have 0 Flux, the answer are circled in pink. Then we were asked to find the Flux of the remaining faces using variables, and the answer is circled in yellow.