Lab 8 Execution

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Lab 8 Execution

Post  guest23 on Tue Dec 02, 2008 7:37 pm

ques 2 eq. 9: does anyone understand it?

I have abs(.5)* (constant*Deltamu/Deltamu)*v

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Re: Lab 8 Execution

Post  guest23 on Tue Dec 02, 2008 8:02 pm

Does anyone know how to get deltav and deltag?
Thanks

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Re: Lab 8 Execution

Post  Guest000 on Tue Dec 02, 2008 8:53 pm

Can someone help me with deltamu and deltav on page one? Either I'm plugging it wrong or I"m getting it wrong :/

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QUESTION 2

Post  WhenWill on Tue Dec 02, 2008 10:28 pm

delta mu= mu*sqrt((Deltam/m)^2+(DeltaLprime/Lprime)^2)
delta v= v*1/2*(Deltamu/mu)

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Re: Lab 8 Execution

Post  gues0001 on Tue Dec 02, 2008 11:50 pm

does anyone know how to get delta k for q13? also, the slope I got for the first graph is linear, so how do I get the error for that also? thanks

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question 10

Post  an0n on Wed Dec 03, 2008 12:20 am

do you divide by the difference (error Part I - error Part II) ?

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question 10

Post  an0n on Wed Dec 03, 2008 12:50 am

nevermind i got it! =)

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Re: Lab 8 Execution

Post  Guest24 on Wed Dec 03, 2008 1:16 am

Any body have any hints for #8,9,and 14?>

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Re: Lab 8 Execution

Post  Brieze on Wed Dec 03, 2008 1:24 am

#8 v*sqrt((DeltaL/L)^2+(Deltak/k)^2)

#9 (velocity from #4 - velocity from #9) / delta v from # 9

#14 g*sqrt((Deltamu/mu)^2+(Deltak/k)^2

Does anyone know the units to #15?

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Regarding Detal K for Question #13

Post  Pie on Wed Dec 03, 2008 4:37 am

Hi,
Isn't Delta K supposed to be (Slope Max-Slope Min)/2 ?
I got like 10000 (which may sound too big) that doesn't seem to work for the answer (gotta be less than 10% of K, I guess)

can someone tell me if my experiment had problem or is there other way to calculate Delta K?

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Re: Lab 8 Execution

Post  Brieze on Wed Dec 03, 2008 11:53 am

Never mind i got it. I was thinking too hard. Smile

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question9

Post  helpme on Wed Dec 03, 2008 12:36 pm

I am having a problem with quesiton number 9, and I don't think that the post that give the answer is for the right question...

How do you figure out delta v for question number 9. I tried using the previous eqn (#Cool and it keeps marking it incorrect. Any help

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Question 5

Post  poop on Wed Dec 03, 2008 3:36 pm

do we actually have to type or draw something in for this question on maple ta? because it says it is worth 1 point.

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Re: Lab 8 Execution

Post  need hel on Wed Dec 03, 2008 4:05 pm

what is delta L?

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question 14

Post  guest123 on Wed Dec 03, 2008 5:12 pm

the answer for question 14 posted isn't correct I keep getting it wrong =/

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Question 14

Post  Kathleen on Wed Dec 03, 2008 6:02 pm

The solution posted already for question 14 IS correct, however they just forgot a parentheses at the end

So, the answer should be

g*sqrt((Deltamu/mu)^2+(Deltak/k)^2)

at least that is what worked for me

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Question 7

Post  dont kno on Wed Dec 03, 2008 7:16 pm

How do you get the error in k?

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question 7

Post  help1 on Wed Dec 03, 2008 7:31 pm

for the error of k, I found K, max slope, and the min slope then averaged the 3 numbers to find k average.
then used [sqrt((k-k_average)^2+(max-k_average)^2+(min-k_average)^2)]/(n*(n-1) for n(n-1) was 3(2)=6
this is what I used I'm not sure if its right but maybe it helps

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Re: Lab 8 Execution

Post  Andrew on Wed Dec 03, 2008 7:58 pm

Don't you need an error in frequency for DeltaK for 7? There is no table for that value however...so what do we use to find the max and min slope?

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Question 10

Post  user87 on Wed Dec 03, 2008 9:08 pm

Do they mean Vpart1-Vpart2/(deltaVpart1-deltaVpart2)

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Question 5

Post  poop on Wed Dec 03, 2008 9:42 pm

did you guys just leave #5 blank?!!!!

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RE: question 14

Post  guest123 on Wed Dec 03, 2008 9:51 pm

thanks a lot kathleen!! =)

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question 13

Post  mk on Wed Dec 03, 2008 10:15 pm

anyone know what the SI units for that is? when i put "none" it didnt work

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number 10

Post  help me on Wed Dec 03, 2008 10:42 pm

did ne1 figure out number 10.. im really having a hard time figuring it out. i have subtracted velocitys from both parts by the error of both part but its not working.. what am i doing wrong

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Q13

Post  guest101 on Wed Dec 03, 2008 11:50 pm

the units for #13 is Hz^2/kg if u guys need it

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Re: Lab 8 Execution

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