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Edexcel - M3 - 18th May 2016 Watch

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    For the tension show that did you say Tcos(30) > mg ?
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    (Original post by Louisb19)
    Me and my friend both got 0.6something.

    Question was a lamina I believe. I got 3cm as the answer.
    What did you get for the angle of suspension? was it 18* ?
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    (Original post by oShahpo)
    What did you get for the angle of suspension? was it 18* ?
    Yeah i got that
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    (Original post by oShahpo)
    What did you get for the angle of suspension? was it 18* ?
    yes

    tan theta = 1/3
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    What did you all get for the 1.5m string extension at instantaneous rest? I'm sure my answer is wrong...
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    (Original post by oShahpo)
    What did you get for the angle of suspension? was it 18* ?
    Yeh 18.4 if someone sends me the pper ill do answers web i get hime since im pretty sure i got it all right.


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    (Original post by milogillot)
    For the tension show that did you say Tcos(30) > mg ?
    No I said tension BP > 0 (or was it AP? I can't remember).
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    (Original post by furthermathsel)
    What did you all get for the 1.5m string extension at instantaneous rest? I'm sure my answer is wrong...
    The extension was 1.8? (I think). It was greater than 1.5 I am sure.
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    (Original post by Mathemagicien)
    Thanks; btw, did anyone else get 17e^2 for q3 part iii?
    Oh **** off.

    How did you find it? 100UMS?

    Can we talk answers now?


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    (Original post by physicsmaths)
    Yeh 18.4 if someone sends me the pper ill do answers web i get hime since im pretty sure i got it all right.


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    What was your extension? 1.8? in the 2nd or 3rd question.
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    (Original post by oShahpo)
    What was your extension? 1.8? in the 2nd or 3rd question.
    I think they asked for the distance from O.
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    (Original post by oShahpo)
    The extension was 1.8? (I think). It was greater than 1.5 I am sure.
    Sorry I meant the question where the natural length of the string was 1.5m
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    What was the time in the first question? 7 seconds?
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    (Original post by physicsmaths)
    Yeh 18.4 if someone sends me the pper ill do answers web i get hime since im pretty sure i got it all right.


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    I think I got 100 UMS unless I made a mistake in SHM last question. How did you show that the combined particle is travelling at SHM? I feel like it is too simple the way I did it.


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    (Original post by physicsmaths)
    Yeh 18.4 if someone sends me the pper ill do answers web i get hime since im pretty sure i got it all right.


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    (Original post by milogillot)
    For the tension show that did you say Tcos(30) > mg ?
    What q is this?
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    (Original post by oShahpo)
    What was your extension? 1.8? in the 2nd or 3rd question.
    Hmm I think that's what I got.
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    (Original post by furthermathsel)
    What did you all get for the 1.5m string extension at instantaneous rest? I'm sure my answer is wrong...
    3+3root6 all over 5


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    (Original post by Louisb19)
    I think they asked for the distance from O.
    Yea the distance was the extension + 1.5. Which I think was 2.8 or 2.7
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    (Original post by physicsmaths)
    3+3root6 all over 5


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    Correct. I got the same. And then the final answer is 3.57 to 3 s.f.


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    What was the acceleration of the particle on the string?
 
 
 
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