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• 2005-12-13
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• 1993
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• 銀魂 & 魔人探偵 脳噛ネウロ
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• I like to study o.x;
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Wednesday, January 2, 2008
i'm waiting, waiting for nothing ♪
My Rooney CD came in the mail! :D It's really catchy. I've been listening to it all morning~.
Anyway, lately I've been feeling rather pessimistic. Hopefully things will look up for the new year. But probably not because THE PHYSICS FINAL SUCKS D': Yeah. haha. Hoping to get a C... at best. o.x;; Hate that class!! I MISS CHEMISTRY T____T
At this rate, I'm gonna fail physics, get my acceptance rescinded from the UC system, never get a job, and live homeless on the streets of LA for the rest of my short life :D lol. just kidding, of course. I can work at McDonalds!! :'D lol
No but seriously, I can't remember why I was so excited to get into AP Physics. AP Psychology was deceivingly easy. lol. But my main fear more than ANYTHING is getting below a C in physics. Which would really suck because that means all that hard work for nothing~ ;n;
화이팅!!! T____T
LOL sometimes I wonder if we would ever do problems like this. xD;
Situation: A person of mass m falls from height h from rest. Assume the ground is a hard, evenly dense surface of height 0. Ignore air resistance.
a) At what speed (in meters per second) will the person be going the moment before he or she hits the ground?
b) What will the total impulse of the system equal?
c) What is the force that the person hits the ground with?
d) Is this an elastic or inelastic collision? How much energy is lost, if any?
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