Amy's Scribe Post (Thursday, September 9, 2010)

Hello, my fellow students. I am gladly to present you our class' very first scribe post on the blog today. To start things off, the first thing we did in class was have Ms. Kozoriz review some simple formulas that we learned from grade 11 physics.

These equations can be found from finding the slope from a distance-time graph (for velocity) or a velocity-time graph (for acceleration).

The second thing that Ms. Kozoriz explained in class was how to derive equations from our handout given to us yesterday. These equations can be found on the formula sheet given as the first four under the section "Mechanics."

These equations can be rearranged to find the thing we need by simply rearranging the constants (using either multiplication/division) to find what we want.

Ms. Kozoriz also pointed out that velocity 1 equals to zero.

The next thing we learned was the Derivation of Acceleration Formulae. This can be explained through the diagram below:

As you can see, we can obtain the displacement from the graph by simply using the formula we learned in grade 11 physics when d=vt.

Ms. Kozoriz had then given another diagram to use as an example showing the same idea explaining that when finding two different displacements and combining them together, it gives us one of our derived equations where each half represents the shape of the diagram.

An overview of the diagram above:

Finally, Ms. Kozoriz taught us how to derive one of the last equations.

That concludes the lesson of Thursday, September 9, 2010.

HOMEWORK

Ah, the most important part of the day. Today Ms. Kozoriz had handed out 2 sheets of questions with a total of 20 (10 on each sheet). In case you did not get one (for some reason..) here are the the links for the 2 homework sheets.

Homework sheet 1 & Homework sheet 2 (with answers)

In that case, this is an end of my scribe post. Thank you to those who've taken the time to read what I have to share. Please leave some comments :)!!!