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    (Original post by koolgurl14)
    A was 4i and can't remember the j
    A had initial velocity 8i+4j and acceleration -0.2i+0.1j, started at origin.
    B had initial velocity 6i+9j and acceleration 0.2i-0.1j and started at position vector 40i+50j.
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    (Original post by matt5822)
    You should still get most of the marks. I think the hardest part was finding the value of t.
    thanks for the reassurance
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    Can someone show the working for how they got 43.2 or w/e for the tension question... thanks
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    (Original post by koolgurl14)
    how r we meant to get this if we're not doing A2 unfair really
    I havent done a2 yet, it made it harder but definitely not impossible. Just think about what parallel meand in terms if C1
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    (Original post by gcsekid)
    Attachment 554175
    Ignore the pencil line
    How are people getting 43 newtons for T
    It was because a) was R=Tsin(60) + 49.

    The question stated that the force T was directed towards the ground so for it to be in equilibrium (vertical components): R - Tsin(60) - 49 = 0 which rearranges to the top line.

    The rest of your workings look fine
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    (Original post by con.brown)
    It was because a) was R=Tsin(60) + 49.

    The question stated that the force T was directed towards the ground so for it to be in equilibrium (vertical components): R - Tsin(60) - 49 = 0 which rearranges to the top line.

    The rest of your workings look fine
    So how many marks do I drop
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    What do you think the grade boundaries will be ? I think it will be either on par with 2014 or just a bit higher maybe
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    (Original post by gcsekid)
    So how many marks do I drop
    I did what you did

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    (Original post by Peter Wilkinson)
    What do you think the grade boundaries will be ? I think it will be either on par with 2014 or just a bit higher maybe
    Im going to say 55 for A
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    (Original post by 1TrueMeaning)
    I did what you did

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    How many marks u think we droppinf
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    (Original post by gcsekid)
    How many marks u think we droppinf
    No idea. Probably get method marks or something. Most likely less than or equal to half of the marks.
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    If I assumes for 7c that the time was still 1.76 and didn't substitute the expressions for v into the equations you had to make, how many marks do you think I'd get


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    (Original post by gcsekid)
    So how many marks do I drop
    Depends if you get ecf from the correct method in part b). So I couldn't really say
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    Worked answers to ramp and football questions:
    Attachment 554193554195Name:  FullSizeRender.jpg
Views: 415
Size:  356.6 KB
    Attached Images
     
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    (Original post by danigr)
    I had 335kg!!!!! But what is wrong with that?
    I got the same with you. It's because we didn't see the "two balls traveling in opposite direction" statement. How many marks do u think we'll lose for this? It was a 5 mark question.
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    I did this, but made t the subject and subbed it in, forming an equation with v in it. I solved this and I THINK I got somewhere around 13 - 14 but can't really remember! My equation looked disgusting😂
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    (Original post by koolgurl14)
    10 more marks gone
    ahhh i made the same mistake, but there should be marks for at least forming the v=u+at equation/s, otherwise AQA is as sadistic as i've always made them out to be
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    (Original post by jtebbbs)
    Worked answers to ramp and football questions:
    Attachment 554193554195Name:  FullSizeRender.jpg
Views: 415
Size:  356.6 KB
    Yeah, I did all that but I put the first part =-1 for some reason so I got a different time, distance etc how many marks would I lose for that ?
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    (Original post by Peter Wilkinson)
    Uh yeah I forgot to do that :/ 1 mark lost right?
    probably yeah :/
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    wud i lose marks if i got the right answer but didn't put the full working
 
 
 
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