weekly post

We gotthe quizes back, and it went how I thought it did, I just made a bunch of really stupid mistakes, or like reversed concepts in my head. Going over it helped, and explined things that I didn't get. Thanks for taking the time to do that, and allowing us to do the corrections in class.

Also, letting us use some lab time to learn how to use excell was helpful. But I don't know if you really need to devote an entire lab period to that tutorial thing, since there weren't examples/opertunities to do things ourselves. It might be helpful in the future to leave that link on the site, and just make the labs be done with excell and be a bit leniant in the begining with grading on the format. This way if we did get stuck, we could just check the tutorial.

comment

i agree that we learned about waves and frequency....i believe that the pre-quiz is a good guide to what the quiz is gona b on

weekly blog

So, I just finished the quiz, I did't think it was that bad, but there were some things that I didn't know. A couple of questions seemed new, like we hadn't done things like that in class. That seems to happen often with these quizes, that some of the questions are new and random. Its kind a of aggrevating if you do the practice stuff, and then stuff that isn't on those review sheets are on the quiz.

Waves Part II

Yesterday in class we continued learning about waves. We learned about standing waves, which travel in the same medium, have the same frequency and amplitude, but travel in oppisite directions. We watched a video clip and saw some demonstrations to further explain this concept. I think that maybe just one or the other, the deomstration or the video would have been enough, both was kind of over kill and just seemed repetitive.

Then we learned about diffratcion, which is what happens after a wave hits an obsticle, like a wall with a break in it. After it hits the wall, the wave spreads out behind it. Once again, the picture were helpful here, but the video seemd a bit redundent. I think its good to break up notes every once in a while, but too many videos makes the lesson kind of chopping.

Finally we learned about resonance, which is the amplitdue of an object's ocialtion at or near its normal frequency. Once again we were given exaplmes to better understand the concept.

Waves Doppler Effect

In class we leared about Waves and The Doppler Effect. The Doppler Effect is a varation in the frequency when there is relative motion between the source of the frequency and the observer. If the source is approching there will be a higher frequency and if it is Receeding there is a lower frequency. An example of The Doppler Effect is the fire truck siren, which was talked about in class.

MIDTERM

The midterm was down right awful!!!! We spent time reviewing for those past few days before it, but that still wasn't enough!! Some questions were easy, but most were not. This made me a sad panda. Oh well, I can only hope I do well on the final. Lets get working on the new material!

Midterm Reflection

Midterm Reflection

I thought that the midterm was not too bad except for the trajectory and other stuff that we did not review as much. Some of the questions I felt were more focused on the smaller units we covered rather than the ones we spent more time on. I think that some of the multiple choice questions were tricky and others we really straight forward. Overall I think the midterm was ok but certain parts were alot harder than others.