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I investigated this question and worked backwards to front, but I am not sure if this is right - could you guys check it pls!!!

Not too sure on this one, but I guess you can make the perpendicular vector be of the form (x1, y1, z1). Then create your first eq of the dot product involving the multiplication of the per vector and the first vector equalling zero. Then do the same for the second vector .... after which you...

some say it is the number of sig figs and others say it is a measure of how close results are to each other!!

@jimmysmith560 Thanks a lot !!!

Everyone did you get A for the second one

wanna confirm - thanks in advance Edit: and this

Yo bro, do you have or know where i can get a copy for the Strive physics or chem books?

@ExtremelyBoredUser thanks man - was straight forward - was just confused if it was just this alone or not

Can someone explain the reasoning behind this - the derivation is straight forward

@ExtremelyBoredUser yh I don't know why our school did that

Have an upcoming Mod A task - how many draft should I make?

@idkkdi Oh kkk - ye heard they were harder. Mod 8 I am not too sure about, but my school did Mod 7 for some reason first....

Is it just me or does physics seem more fun in year 12...idk

I g projectile motion is the most obvious choice, but they could also model orbits, have circular motion pracs or maybe make it a secondary prac if they do include these in....

@medaspirant ye it focuses on the working scientifically skills ...

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