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AQA A2 Mathematics MM2B Mechanics 2 - Monday 22nd June 2015 [Exam Discussion Thread] Watch

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    (Original post by saeed97)
    Hopefully and you?
    Again, hope to! Computer Science at Bath hopefully. You?


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    (Original post by CD223)
    Again, hope to! Computer Science at Bath hopefully. You?


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    Thats pretty cool. Im a Mechanical engineering hopeful at eitheir the University of Birmingham or University of Warwick. Havent decided yet
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    (Original post by saeed97)
    Thats pretty cool. Im a Mechanical engineering hopeful at eitheir the University of Birmingham or University of Warwick. Havent decided yet
    Oh nice! I'm confused as to how you haven't decided? Hasn't the deadline passed?


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    (Original post by CD223)
    Oh nice! I'm confused as to how you haven't decided? Hasn't the deadline passed?


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    Ive made birmingham my first choice and warwick my insurance choice but im not sure which i prefer but most likely i will be at birmingham.
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    (Original post by saeed97)
    Ive made birmingham my first choice and warwick my insurance choice but im not sure which i prefer but most likely i will be at birmingham.
    That makes sense! Best of luck.


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    (Original post by CD223)
    That makes sense! Best of luck.


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    Same to you mate. All the best.
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    (Original post by saeed97)
    Same to you mate. All the best.
    Did you do C3? How did you find it?


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    (Original post by CD223)
    Did you do C3? How did you find it?


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    I did pretty well apart from the modulus question and the graph part. Most of it was straight forward but i ran out of time before i could simplify question 7 to the form they wanted.
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    (Original post by saeed97)
    I did pretty well apart from the modulus question and the graph part. Most of it was straight forward but i ran out of time before i could simplify question 7 to the form they wanted.
    I see! Still 90+ UMS I think.

    M2 is really low on the list of priorities rn haha!


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    (Original post by CD223)
    I see! Still 90+ UMS I think.

    M2 is really low on the list of priorities rn haha!


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    Very true haha. I'll start revising for it when my penultimate exam is over. 4 days of pure M2 revision. I know all the module its just brushing up on the silly errors i keep making especially on the energy transfer questions.
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    (Original post by saeed97)
    Very true haha. I'll start revising for it when my penultimate exam is over. 4 days of pure M2 revision. I know all the module its just brushing up on the silly errors i keep making especially on the energy transfer questions.
    Sensible! How will you prepare for C4?


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    (Original post by CD223)
    Sensible! How will you prepare for C4?


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    Past papers i guess and if i dont understand something i guess the internet is my place to go. My teacher is dreadful. All we have done for the past 3 months is past papers in class
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    (Original post by saeed97)
    Past papers i guess and if i dont understand something i guess the internet is my place to go. My teacher is dreadful. All we have done for the past 3 months is past papers in class
    Me too! Although I found that useful because we got regular feedback?


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    (Original post by CD223)
    Me too! Although I found that useful because we got regular feedback?


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    We didnt lol. Our teacher just sits on his laptop and pops up every 15 minutes to put up a new question on the projector.
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    (Original post by saeed97)
    We didnt lol. Our teacher just sits on his laptop and pops up every 15 minutes to put up a new question on the projector.
    Okay that's not useful!!
    Core 4 revision starts again today - had a day off yesterday haha!


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    (Original post by CD223)
    Okay that's not useful!!
    Core 4 revision starts again today - had a day off yesterday haha!


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    Me too. Ive got 4 exams this coming week. Im gonna revise mostly core 4 and physics. M1 and business studies exam are easy so im not gonna bother for them.
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    (Original post by saeed97)
    Me too. Ive got 4 exams this coming week. Im gonna revise mostly core 4 and physics. M1 and business studies exam are easy so im not gonna bother for them.
    Makes sense! I'm prioritising core 4 and history as that's Monday!


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    (Original post by CD223)
    Makes sense! I'm prioritising core 4 and history as that's Monday!


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    Good luck
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    When proving that a given quantity involving trig and equal i and j components, (displacement, velocity, acceleration, force etc) is constant, should we just prove that we're squaring each component of the quantity, it produces the identity sin^2x + cos^2x = 1, meaning a common factor can be taken out and therefore when square rooted the answer is constant?


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    (Original post by CD223)
    When proving that a given quantity involving trig and equal i and j components, (displacement, velocity, acceleration, force etc) is constant, should we just prove that we're squaring each component of the quantity, it produces the identity sin^2x + cos^2x = 1, meaning a common factor can be taken out and therefore when square rooted the answer is constant?


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    Yeah, you usually just find the modulus of the vector but be careful to show all the steps in your working I think?
 
 
 
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