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  1. S

    BoS trials Maths and Chemistry 2020

    Ohh I get it now, thank you :)
  2. S

    BoS trials Maths and Chemistry 2020

    Hi, can someone explain to me why it's N=mg cos theta and not mg=N cos theta for Q14a(i)? and also why is it suddenly sin theta for a(ii)? This is for extension 2 paper btw, thanks!
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