Friend has a physics problem

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NewJerseyAggie
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6:20p, 5/4/10
A piano wire 0.80mm long and 0.80mm in diameter is fixed on one end.
The other end is wrapped around a tuning peg 3.0mm in diameter.
Initially the wire, whose Young's modulus is 2X10^10,
has a tension of 20N .

Find the tension in the wire after the tuning peg has been turned
through one complete revolution
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Goose
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6:22p, 5/4/10
AG
He's got a problem alright...
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Disassociated
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6:22p, 5/4/10
I have a friend with a physics problem, but I think she is getting a reduction when she gets back from terrorist training camps.
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5
Quantum ace
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6:23p, 5/4/10
AG
I dont know, but have you tried using pi?
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AgDrumma07
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6:24p, 5/4/10
AG
math
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Old School Brother
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6:27p, 5/4/10
AG
how can it be 0.8mm long and 0.8mm in diameter? do you mean 0.8m long?
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txagfred04
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6:29p, 5/4/10
42
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SomeRandomAg#2580
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6:44p, 5/4/10
AG
.
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2 edits
NewJerseyAggie
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6:50p, 5/4/10
can anyone help, she's needs the answer shortly
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SomeRandomAg#2580
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6:51p, 5/4/10
AG
.
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Scruffy
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6:57p, 5/4/10
AG
it will take off.
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Nitro Power
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7:01p, 5/4/10
AG
quote:
tension doesn't matter, just call a piano tuner.


fail
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jm94
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7:01p, 5/4/10
AG
Never seen a square piece of piano wire.
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Nitro Power
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7:02p, 5/4/10
AG
quote:
0.80mm in diameter
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jm94
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7:04p, 5/4/10
AG
Okay, never seen a 0.8mm long piece of piano wire before.
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Nitro Power
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7:05p, 5/4/10
AG
quote:

Okay, never seen a 0.8mm long piece of piano wire before.


This I would agree with
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Disco Stu
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7:11p, 5/4/10
AG
The tuning peg is moot.
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Physics Clown
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7:13p, 5/4/10
138.4 N

Assuming you meant .8 m for the length instead of .8 mm
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Vernada
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7:17p, 5/4/10
AG
who does problems like this with actual numbers?

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Mom Class of '03,'05 and '09
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7:20p, 5/4/10
S
ada, shut it and post a picture of Puddin!
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Vernada
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7:21p, 5/4/10
AG
ARE YOU STOCKIN ME AND MY PUDDIN!!?
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Mom Class of '03,'05 and '09
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7:22p, 5/4/10
S
not you...and SHE IS MY PUDDIN!
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Vernada
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7:23p, 5/4/10
AG
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Physics Clown
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7:23p, 5/4/10
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Vernada
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7:31p, 5/4/10
AG
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Vernada
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7:32p, 5/4/10
AG
gawd that's effin creepy.

try not to kill anyone tonight.
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Scruffy
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7:37p, 5/4/10
Physics Clown
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Ragoo
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7:45p, 5/4/10
AG
GET BACK IN THE STORM DRAIN
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Ragoo
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7:47p, 5/4/10
AG
damn that is great
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Vernada
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7:48p, 5/4/10
AG
you need to add that first one as your profile pic.
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Physics Clown
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7:50p, 5/4/10
Who else has a math problem for the clown?
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tford12
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8:02p, 5/4/10
AG
GTech Ag....your a ramblin wreck
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BBYD09
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8:13p, 5/4/10
AG
this thread is nails
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Know Your Enemy
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8:17p, 5/4/10
AG
ONLY ON TEXAGS
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