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    (Original post by louisacollier)
    Ok I don't know how you went wrong then, sorry. If you got 558, it was because n wasn't per m^3
    Everything was great except I forgot to use P=FV for the last part for question 1, I completely forgot about it
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    Yeah I figured out what I did. I found n and then divided it by the length and not the volume 😩
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    The last question really got me! I couldn't get K the only part I couldn't do
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    (Original post by Tom:))))
    The last question really got me! I couldn't get K the only part I couldn't do
    I had k to be 20Nm-1
    I did the difference between the 2 values we were given so 4N and 0.2m then used F=kx and the assumption I made was that f is proportional to x
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    (Original post by Sznsnsn)
    I had k to be 20Nm-1
    I did the difference between the 2 values we were given so 4N and 0.2m then used F=kx and the assumption I made was that f is proportional to x
    That's what I got. Don't know if I quite worded my assumption well enough though. That's what I meant but I didn't write it very well
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    For anyone who sat the new spec paper yesterday, can you remember the questions on the uncertainties??
 
 
 
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