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Physics 16 Online
OpenStudy (anonymous):

need help, http://s13.postimg.org/slwizp4zr/help1.png the first row is the formula i got from my physic lab to calculate heat capacity the second row is the formula to find 'errors' of heat capacity the last row is my friend's solution and what the answer i need should look like. the problem is I don't know if my friend do the derivation correctly or not. can someone check/correct it for me?

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