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  1. S

    Batteries - remembering them all?

    you need to knoe them all...if u look at the syllabus it states '...dry cell or lead-acid cell and evaluate it in comparison to: - button cell..." it says compare it ti all of them...but you only have to do one of them not both....they must say dry or lead acid...our teacher made this clear...
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    I studied for the last 2 days for THAT?

    shit that was hard....especiaally the one about marvin on another planet......im so sad...
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    Projectile motion

    what are you a talking aobut...you can use physics in math, thats where they deerive the three and four unit formulas from...integration. its quite simple to do it from first principles.. v=u+at at peak of the vertical component final velocity is equal to zero therefor 0=u-gt...
  4. S

    Projectile motion

    Dont use 3 unit, it should be fine, but if it is a few marks worth you will not score the one for applying the correct formula, which is part of the syllabus. Good luck everyone.
  5. S

    Space: Inertial and Non-inertial frames

    Whats inertia?
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