Qualification > Sciences

Physics paper 5 : Help needed urgently

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MaNi_DaDuDe:

--- Quote from: Stealth on April 05, 2010, 08:15:48 pm ---Thanx Alott for all the resources...Please forgive me, I was a little agitated...its just that i have a physics mock tomorrow and , well you all can imagine the anxiety esp if u haven't prepared well

--- End quote ---

i have mine on wed. haven't prepared at all. :(

s16:
i understand error bars and how to get the error ithe gradient. what i dont know how to do is get the error in other things .. like for ex nov 08 q2.d .. and they dont even have the answer in the mark scheme what do i do ?

Hwa1:
Just under 15 hours til exam....I hate this so much...too much error rubbish -.-

falafail:

--- Quote from: Hwa1 on June 08, 2010, 11:39:28 pm ---Just under 15 hours til exam....I hate this so much...too much error rubbish -.-

--- End quote ---

I LOVE ERRORS! ;D
i love all the math parts. the physics parts... notsomuch :(


--- Quote from: s16 on June 08, 2010, 07:51:49 pm ---i understand error bars and how to get the error ithe gradient. what i dont know how to do is get the error in other things .. like for ex nov 08 q2.d .. and they dont even have the answer in the mark scheme what do i do ?

--- End quote ---
they do tell you how to do it in the markscheme.. :-\
e/m from your gradient - e/m from worst acceptable line gradient

personally i would've done this by calculating the percentage error of the gradient, which is equal to the % error in e/m, then multiplying it by whatever value i got for e/m. ;D

Hwa1:

--- Quote from: falafail on June 08, 2010, 11:44:22 pm ---personally i would've done this by calculating the percentage error of the gradient, which is equal to the % error in e/m, then multiplying it by whatever value i got for e/m. ;D

--- End quote ---
What other way is there? =/

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