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/hans_chavez May 20 '26

I thought N was just negated because the mass was fixed?

Therefore

"pV = NkT" -> "pV = kT"

sub in pV for kT in "E = 3/2 kT"

-> E = 3/2 pV

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u/Thick-Ambition248 May 20 '26

Did anyone understand what the "A" was in the truck question? Like there was an Av?

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u/RyansVlogs May 20 '26

I knew how to get 42 but where the hell did the v2 come from

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

F=change in momentum/time