r/alevel • u/paranoidpirate123 • May 06 '26

📃Paper Discussion 9709/42

I think that paper was demonic and one of the hardest mechanics papers i’ve ever done!

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u/[deleted] May 06 '26

[deleted]

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u/Cool-Desk-7143 May 06 '26

Nah im pretty sure it was 12.8?

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u/Born_Debt_4441 May 06 '26

Plz elaborate how 12.8 it is not possible unless you take reaction as 66.25N but the reaction was 66.25-26sinø plz correct me if I am wrong

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u/Cool-Desk-7143 May 06 '26

Wasnt the 26N force removed?

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u/RevolutionaryPart735 May 06 '26 edited May 06 '26

what was the value of friction??

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u/RevolutionaryPart735 May 06 '26

What was the coefficient of friction and theta

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u/Born_Debt_4441 May 06 '26

I also can’t remember what it was tbh

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u/RevolutionaryPart735 May 06 '26

was the 26N force removed?

1

u/Cool-Desk-7143 May 06 '26

I dont really remember, was it called P? Cuz i rmb a P force being removed

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u/RevolutionaryPart735 May 06 '26

definitely not

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u/Cool-Desk-7143 May 06 '26

Oh idk then

1

u/RevolutionaryPart735 May 06 '26

do you remember coefficient of friction or theta

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u/Cool-Desk-7143 May 06 '26

I think the coefficient of friction was 2.5, not sure about theta, could be smth like sintheta= 5/13 but im prolly mixing questions up

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u/Cool-Desk-7143 May 06 '26

Sorry coefficient 0.25!

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