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Old 02-24-2002, 10:25 PM   #31
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Yeah, you don't need Calculus for that level of physics. The thing is...it's easier with the calculus. The only difference is that you can use calculus shortcuts

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Old 02-25-2002, 08:04 AM   #32
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You know, I'm getting a bit sleepy. I think I could go for a derivative of sin lon x at the moment...
What is lon x????? I'm not familiar with that.
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Old 02-26-2002, 11:58 AM   #33
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I think he meant ln(x) or log(x) and got confused.
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Old 02-26-2002, 12:33 PM   #34
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Hey.....I just found this thread hanging out here....

My wife teaches calculus, and if I can just get her to register on the site, she could keep certain ones of you entertained for hours....... :ksmile:

Nate (who is studying to become qualified to teach chemistry, biology, and physics)
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Old 02-26-2002, 01:05 PM   #35
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Oh okay, that's what I thought.
y = sin (ln(x))
y' = cos (ln(x)) * 1/x (Chain Rule)

or

y = sin (log(x))
y' = cos(log(x)) * (1/x * 1/log(x)) (Also Chain Rule)


I'll try and come up with some problems myself. Gotta get my math textbooks though.
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Old 02-27-2002, 06:44 PM   #36
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I'm taking regular physics and pre-calc next year.......I may switch into IB physics though....... who knows.
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Old 02-27-2002, 08:24 PM   #37
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Quote:
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I'm taking regular physics and pre-calc next year.......I may switch into IB physics though....... who knows.
You have the IB program at your school? So do I! I took IB Physics last year and got a 4 on the test (worth 4 college hours). This year I'm taking the English, Biology, and Calculus IB tests.
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Old 03-01-2002, 12:00 AM   #38
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6i would be correct. Post another problem.

OH MY GOSH! I WON! I WON! YAYAYYAAYYAYYA!
hahaha no seriously, that was probably the easiest thing ever but i am so overjoyed!!! --its great!!!! =D

anyhoo, i took gr12 physics b4 gr 12 math and that was a mega mistake

now i learned to take oa calc b4 oa physics
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Old 03-06-2002, 08:40 PM   #39
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Well since no one else seems to want to post a new question, I will.

what's the area enclosed when you spin the graph of y=x^3+3x^2+3 around the x-axis from x=5 to x=9?
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Old 03-07-2002, 10:42 AM   #40
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Clear this up a bit......are you talking about the volume, rather than the area??? and.... how much are we rotating this thing? 180 degrees? 360 degrees?......

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Old 03-07-2002, 09:39 PM   #41
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surface area, and 360 degrees
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