Sunday, October 14, 2012
Week 5 Physics
This week we learned about constant velocity, and how velocity equals the slope. The beginning of the week was difficult to understand because the graphs had different slopes, and I was having a hard time understanding that but, I figured it out. We had a lab, where the buggy cars had to t-bone each other at a certain point on the floor. We had to take in the fact that 1) the cars never go straight, and 2) they don't have the same speed. So, for our group, like most others, we determined the length in centimeters it was from the intersection( where they had to t-bone) and the starting points. Then, we determined how long it would take the buggy to travel one tile, or 30 centimeters, for us it was about 1.29 seconds.From there, we took educated guesses, and did some adjustments to the locations of the cars, and when to start them( one had to go first because it was slower than the other one) and did trial and error. Now I know Mr. Abud said physics is not about trial and error, but we just didn't understand how you could have made an equation to figure it out, I didn't think it was possible, obviously I was mistaken, because one group did! Then on Friday we had an assessment, which went pretty well, besides the fact that I was running around the school trying to straighten out my ISS situation, which.. I don't even want to get into. Back to physics, the t-bone lab is connected to the constant velocity, because the cars have the same velocity all through out the path, until they hit each other. They may not be the same velocity compared to each other but, they are constant.
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