Friend has a physics problem

NewJerseyAggie
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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
Goose
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He's got a problem alright...
Scot
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I have a friend with a physics problem, but I think she is getting a reduction when she gets back from terrorist training camps.
Quantum ace
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I dont know, but have you tried using pi?
AgDrumma07
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math
Old School Brother
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how can it be 0.8mm long and 0.8mm in diameter? do you mean 0.8m long?
txagfred04
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42
that1guydrew
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tension doesn't matter, just call a piano tuner.
NewJerseyAggie
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can anyone help, she's needs the answer shortly
that1guydrew
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AG
already gave you an answer, bud.
Scruffy
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it will take off.
Whiskey Jacket
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quote:
tension doesn't matter, just call a piano tuner.


fail
jm94
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Never seen a square piece of piano wire.
Whiskey Jacket
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quote:
0.80mm in diameter
jm94
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Okay, never seen a 0.8mm long piece of piano wire before.
Whiskey Jacket
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quote:

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


This I would agree with
Disco Stu
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The tuning peg is moot.
Physics Clown
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138.4 N

Assuming you meant .8 m for the length instead of .8 mm
Vernada
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AG
who does problems like this with actual numbers?

Mom Class of '03,'05 and '09
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ada, shut it and post a picture of Puddin!
Vernada
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ARE YOU STOCKIN ME AND MY PUDDIN!!?
Mom Class of '03,'05 and '09
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not you...and SHE IS MY PUDDIN!
Vernada
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Physics Clown
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Vernada
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Vernada
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gawd that's effin creepy.

try not to kill anyone tonight.
Scruffy
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Physics Clown
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Ragoo
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GET BACK IN THE STORM DRAIN
Ragoo
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damn that is great
Vernada
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you need to add that first one as your profile pic.
Physics Clown
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Who else has a math problem for the clown?
tford12
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GTech Ag....your a ramblin wreck
BBYD09
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this thread is nails
Junkhead
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ONLY ON TEXAGS
 
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