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lemonlime799

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Posts posted by lemonlime799

  1. Keep in mind that I'm a regents physics dropout, so please bear with me: 

     

    I'm going off to college in less than two weeks. Earlier tonight I was organizing four big magnets I found to bring with me, when my mom came in and started rambling on about my textbooks. Absentmindedly I began to fiddle with these magnets, when I discovered that they all attached to each other. I said to myself, "SELF. They shouldn't all be attracted to each other! What about opposite poles? If I've got two sets, each set has a north and south magnetic field--opposites attract!"

     

    So my question is, why isn't there any repelling going on between the two sets? Shouldn't there be a combination of these magnets that would result in two sets of repelling magnets?

     

    Thanks a bunch!  :geek:

  2. Method A, which we used in class to measure maximum height, had a very high percent error. Because we had to time ourselves in the air, it might have been difficult to actually get a correct time. I know in my group we had to redo our jumping about a zillion times because we had issues with starting and stopping the stopwatch correctly, so the lack of accuracy with the stopwatches most likely contributed to the extremely high percent error. Instead of someone measuring the amount of time one is in the air with a stopwatch, a more accurate, state-of-the-art way to measure time would be to use a motion detector. Putting it at ground level, it could show how long one would be off the ground when they jump. It'd be more reliable than having someone time it themselves, because the monitor would be the one timing the space between the jump instead of a person working a stopwatch.

  3. 1. Hey there. Since I can't use my real name, I'm lemonlime799. I play trombone (which I'll probably go to school for), I secretly am really good at cooking (which I want to go to school for) and I pretty much love awesome things (like Phineas and Ferb, crazy socks, various musical artists, poetry, etcetc).

    2. A year ago I was extremely interested in going into a science-related field (specifically forensics), so I had everything planned out and researched how much physics is involved in life...and even though I'm probably not doing what I wanted to last year, I still want to learn about physics, especially how it relates to everything alllll the time in life.

    3. I just want to know more. I love learning, and knowledge is something I love having. I know a lot about things related to the arts and whatnot, but I really would like to widen what I know.

    4. Well...I don't know too much about physics, so I'm not really sure what topic I'm most anxious about...how about getting good grades? Does that count? c(:

    5. a) I can actually do all my homework, as much as it will be. B) Really try to understand what I'm learning instead of just listening and writing down notes. c) Don't be afraid to ask a zillion questions.

    ...I write a lot, I'm sorry. But I truly am excited for this class and I can't wait to see how much I learn this year!

    --lemonlime799

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