Lab 9 Execution

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Lab 9 Execution - Page 2 Empty Re: Lab 9 Execution

Post  sss on Wed Apr 22, 2009 9:41 pm

anyone got ERROR OF SLOPE? wat was ur value close to?

sss
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Lab 9 Execution - Page 2 Empty ERROR OF X

Post  phygirl. on Thu Apr 23, 2009 2:27 am

HEY IM HAVING ISSUES WITH MY ERROR OF X. ALL THROUGH THE EXCEL I'VE BEEN USING THE ERROR TO BE .003m, WHEN I GET TO THE BOTTOM CHART FOR X, I TRIED USING .003 AND ITS NOT WORKING. THEN I TRIED USING THE ERROR FORMULA AND IT DIDNT WORK EITHER. CAN SOMEONE PLZ HELP, BECAUSE I CANT CONTINUE WITHOUT FIND THE ERROR OF X. THANKS A LOT. [b]

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Lab 9 Execution - Page 2 Empty ERROR OF SLOPE

Post  student1 on Thu Apr 23, 2009 12:24 pm

anyone got ERROR OF SLOPE? wat was ur value close to?

student1
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Lab 9 Execution - Page 2 Empty ERROR

Post  abc on Thu Apr 23, 2009 6:36 pm

WHAT IS THE ERROR IN X? Someone please post it

abc
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Lab 9 Execution - Page 2 Empty error of x

Post  phy12212 on Thu Apr 23, 2009 10:28 pm

whats error of X

phy12212
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Lab 9 Execution - Page 2 Empty error in slope

Post  question on Thu Apr 23, 2009 10:46 pm

actuall in my case, my slope is 1.05E7, and I get error in slope is 2E5. my # turne into green. I hope it help!!!!!!!!!!

question
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Lab 9 Execution - Page 2 Empty Error of x

Post  lalala on Fri Apr 24, 2009 1:28 am

error of x is is sqrt((DeltaX^2 + DeltaX^2), since X is the twice the distance from the position to the middle.

we just simply put (sqrt(0.003^2+0.003^2)), assuming both errors are 0.003m

lalala
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Lab 9 Execution - Page 2 Empty wavelength

Post  lalala on Fri Apr 24, 2009 1:35 am

wavelength = 1/(Rh*((1/2^2)-(1/n^2)))
Rh is constant given in the instruction, 1.097E7

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Lab 9 Execution - Page 2 Empty X

Post  dd on Fri Apr 24, 2009 1:14 pm

Can someone PLEASE tell me how to find X every way i try doesn't work, please help:(

dd
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Lab 9 Execution - Page 2 Empty DeltaX

Post  yeyy on Fri Apr 24, 2009 5:55 pm

for Delta X, we assume that each error is .003, when i enter in .004 (get that from sqrt(.oo3^2 + .003^2)) its marking me wrong. Does anyone know what i'm doing wrong? each error in X for the red,blue,purple is .003 right?

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Lab 9 Execution - Page 2 Empty for Delta X

Post  lalala on Sat Apr 25, 2009 1:09 am

sqrt(0.003^2+0.003^2)

is 0.004243. Try to keep as many as digits possible.

It should work fine.

lalala
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Lab 9 Execution - Page 2 Empty error of slope

Post  errorrr on Sun Apr 26, 2009 11:33 am

Anyone know how to calculate the error of the slope? or what number it should be around? thanks!

errorrr
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Lab 9 Execution - Page 2 Empty DELTA X??

Post  phygirl. on Sun Apr 26, 2009 5:30 pm

OKAY. I AM SOOOOO SORRY, I SWEAR I REALLY AM, I KNOW THERE HAVE BEEN NUMEROUS POSTS ABOUT THIS, BUT HONESTLY ITS NOT WORKING FOR ME AT ALL. I DID A COMBINATION OF THINGS, I WORKED OUT EQUATIONS, I PLUGGED IN, I DARN RIGHT EVEN DID A DANCE TO TRY TO GET THIS BUT ITS NOT WORKING.

I REALLY NEED HELP WITH THE ERROR OF X, IF I DONT GET THAT VALUE, I CANNOT MOVE ON TO GET THE OTHER ERROR VALUES.

I'VE BEEN USING .003m FOR MY ERROR, AND I USED THE ABOVE EQUATION sqrt((.003)^2+(.003)^2) to get .004243 etc... BUT WHEN I PLUG THAT INTO THE EXCEL ITS NOT WORKING. I PLUGGED IN .004, THEN I JUST PLUGGED IN THE WHOLE VALUE, THEN I JUST KEPT TRYING VARIATIONS, BUT NOTHING HAS WORKED. IT REALLY DOESNT MATTER HOW MANY DIGITS I PUT IN, BECAUSE WHEN I PUT IN THE WHOLE THING, IT DOESNT TURN GREEN. UGH.

CAN SOMEONE PLEASE TAKE THE TIME OUT FROM THIS GORGEOUS DAY TO HELP ME OUT. I REALLY APPRECIATE IT. THANKS.

phygirl.
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Lab 9 Execution - Page 2 Empty sketch

Post  phy on Sun Apr 26, 2009 8:05 pm

how did u guys explain the observed sequence using eq 1?

phy
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Lab 9 Execution - Page 2 Empty Error oF X

Post  phygirl. on Mon Apr 27, 2009 1:55 am

finally found the error of x.

phygirl.
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Lab 9 Execution - Page 2 Empty error of x

Post  abcd on Mon Apr 27, 2009 2:20 pm

phygirl, what is it? because its not working for me either

abcd
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Lab 9 Execution - Page 2 Empty Re: Lab 9 Execution

Post  annoyed on Mon Apr 27, 2009 3:00 pm

how do you find the relative error in x/2y??? i'v got everything but the error of the slopes if someone will answer this for me.

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