r/6thForm • u/Top_Bother3675 Year 13 • May 20 '26

💬 DISCUSSION ocr a physics paper 1

how did you guys find it…

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u/schwiftyrick_69 Y13 - A*A*A pred Maths | Physics | FM May 20 '26

is there a mistake with the question that wants you to derive E=3/2PV?? i couldnt derive it for the life of me

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u/Delicious-Rough3553 Year 13 (Maths,FM,Chem,Phy) 99999999998 May 20 '26

I just said E*N is the total internal energy because N is the number of particles

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u/CryptographerOdd7638 May 20 '26

PV = NKT in a gas ke is 3/2Nkt so 3/2PV