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Edexcel IAL Physics Unit 1 WPH01 May June 2016 Discussion watch

  • View Poll Results: How was your exam ?
    Easy ... piece of cake xD
    6
    8.33%
    emmm not that bad
    39
    54.17%
    I got screwed
    19
    26.39%
    It was a NIGHTMARE !! :0
    8
    11.11%

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    I found it easier than Jan. 2016.I left the spider question and the area under the graph(Work) and forgot to convert cm into m so I think I've lost 8 marks.Even with Mistakes I think I can afford to lose 25 marks total to get a 55.I think I'll get maybe a 57 when I strict checked my paper.The gb might be lower because many people around me found the paper to be hard/er than jan. 16 and didn't do so well.
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    anyone remeber the answer to that second last 4 mark question where we had to explain how to use the data to find viscosity ?
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    did u guys get 1.6 x 10^-3 for the diameter
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    (Original post by 6rdjp8)
    anyone remeber the answer to that second last 4 mark question where we had to explain how to use the data to find viscosity ?
    I wrote plot a graph of velocity against radius^2 then find the gradient of the graph, i conapred the eqution of v=2gr^2(density of solid-density of fluod)/9n then compare it with y=mx+c so the gradient will be equal to 2g(Ps-Pf) then substistute values and get viscosity.
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    what you guys explain about the effect of car's spring constant on bump road?
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    Apparently everyone wrote v against r^2.I wrote Force against 6xpixrxv,Straight line and find gradient. #Bravo
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    (Original post by fatimafazlul)
    what you guys explain about the effect of car's spring constant on bump road?
    I don't remember exactly but I wrote that the compression would be less so the driver may jump out of his seat a little and if the bump was big,The force could be large enough to cause him injury.
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    What was the freebody diagram and the equations of forces on the fly and spider?
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    i wrote, 'the spring will not deform easily to absorb impact force. so, the car will collide with bump on the road'. My sentence look ridiculous. what should be the exact answer?
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    guys for the multiple choice what did you put for question about the vector diagrams
    and about the kinetic energy being in mid height


    For the Graphical method i wrote : 2rg(ps-pf) on y axis and 9v on x axis I used the equation eta= 2RG(PS-PF)/9v
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    (Original post by Hamadtype-)
    guys for the multiple choice what did you put for question about the vector diagrams
    and about the kinetic energy being in mid height


    For the Graphical method i wrote : 2rg(ps-pf) on y axis and 9v on x axis I used the equation eta= 2RG(PS-PF)/9v
    well for the vector diagram about tension i choose B
    and i for kinetic energy i forgot xD
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    (Original post by daddydevil)
    What was the freebody diagram and the equations of forces on the fly and spider?
    free body diagram: msg downward and T1 upward equation: msg+mfg=T1+T2
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    (Original post by fatimafazlul)
    free body diagram: msg downward and T1 upward equation: msg+mfg=T1+T2
    You forgot T2 downwards on the diagram.
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    I'm not even sure about my answer but I think I'll get atleast 1/2 for that car bump question
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    (Original post by 6rdjp8)
    well for the vector diagram about tension i choose B
    and i for kinetic energy i forgot xD
    sure about te answer ? cuz i remember the resultant force has to be opposite direction of the 2 forces and B were all the same direction
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    (Original post by OnTheHorizon)
    You forgot T2 downwards on the diagram.
    the question ask to draw free body force diagram on spider, diagram of the fly is already given
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    (Original post by fatimafazlul)
    the question ask to draw free body force diagram on spider, diagram of the fly is already given
    But T2 also acts on the spider.
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    (Original post by Hamadtype-)
    sure about te answer ? cuz i remember the resultant force has to be opposite direction of the 2 forces and B were all the same direction
    I think A and B were wrong.It was either C or D
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    (Original post by OnTheHorizon)
    I think A and B were wrong.It was either C or D
    I thought it was b or D but because b is the same direct as resultant force i cancelled it out so i was left out with D
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    (Original post by wenogk)
    That question was weird what did you write, I'm afraid my answer is most probably wrong..
    :kungfu: TAKE THAT EDEXCEL!
    Im also afraid of my answer !!! (im serious) it was the weirdest one out of all #truethat
 
 
 
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