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

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Reply 220
Original post by saeed97
Hopefully :smile: 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
Reply 222
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?:s-smilie:


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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?:s-smilie:


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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.
Reply 224
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.
Reply 226
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.
Reply 228
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.
Reply 230
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
Reply 232
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.
Reply 234
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.
Reply 236
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 :smile:
Reply 238
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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Reply 239
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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