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Edexcel A-Level Further Mathematics - Further Mechanics 1 - 20 October 2020

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Original post by John_DoeIII
How did people get 2ms^-1 wasn’t q 0.2 kg and 4i plus 2j

Are we talking about the same question lol?
Original post by SpiderMan1234434
Are we talking about the same question lol?

I’m talking about the spheres question.
Original post by John_DoeIII
I’m talking about the spheres question.

I remember like 3 sphere questions
Original post by SpiderMan1234434
I remember like 3 sphere questions

The one with the two that weighed 0.3 kg and 0.2kg
Oh honestly I cant remember but I do remember 2ms^1 for for something
Does e being 0.77 for the slanted line ring a bell.
Original post by John_DoeIII
Does e being 0.77 for the slanted line ring a bell.

e being 9/17 rings a bell

Elastic string question right, part b? or am i not remembering correctly?
(edited 3 years ago)
Original post by SpiderMan1234434
e being 9/17 rings a bell

Elastic string question right, part b? or am i not remembering correctly?

Elastic String part b was to find tension. I’m talking about the question where dot product was used.
Original post by John_DoeIII
Elastic String part b was to find tension. I’m talking about the question where dot product was used.

yh thats the one i got 9/17

I used -eu dot Impulse = v dot Iimpulse (formula not in textbook but remembered from practice question)

Impulse was from previous part I think
(edited 3 years ago)
Original post by SpiderMan1234434
yh thats the one i got 9/17

and part b of elastics string was find acceleration down the ramp
Original post by SpiderMan1234434
yh thats the one i got 9/17

I used -eu dot Impulse = v dot Iimpulse (formula not in textbook but remembered from practice question)

Impulse was from previous part I think

I found the magnitude and then the angles between both components and AB damn I think I done worse than I thought. What did u get for acceleration btw?
Original post by John_DoeIII
I found the magnitude and then the angles between both components and AB damn I think I done worse than I thought. What did u get for acceleration btw?

acceleration for elastic string?
Original post by SpiderMan1234434
acceleration for elastic string?

Yeah
Original post by John_DoeIII
Yeah

10.6 ms-2 i think
I dunno how you all remember this. Ahaha

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