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  1. K

    HSC Physics Marathon 2013-2015 Archive

    Re: 2013 HSC physics marathon thank you for that.
  2. K

    HSC Physics Marathon 2013-2015 Archive

    Re: 2013 HSC physics marathon haha thank you for the advice :) so which equations other than f=ma?
  3. K

    HSC Physics Marathon 2013-2015 Archive

    Re: 2013 HSC physics marathon If an object travelled at relavistic speeds it would experience mass dilation and its mass would increase. As a result of its mass increasing, its acceleration would decrease, assuming net force is constant. If this trend continues, the final outcome would be that...
  4. K

    HSC physics youtube videos

    yes it would be useful.
  5. K

    does 0.5 get rounded up

    yeah it will round up.
  6. K

    Chemistry Questions

    Re: mola heat of combustion sshhh.
  7. K

    Holidays anyone?

    only 2.5 weeks left of school...and 3 assessments..far out.
  8. K

    Chemistry Questions

    Re: mola heat of combustion i hope you got the first part of the calculation, that is yr 11 stuff.
  9. K

    Chemistry Questions

    Re: mola heat of combustion change in H=m*C*change in temp 4.18*200*change in temp=836*change in temp =0.836*change in temp moles of fuel=grams of fuel/MM of fuel moles of fuel=0.6/60.094 =0.001 Molar heat of combustion=2021 kJ/mol and, we know molar heat of combustion is kJ/(mol of fuel) or...
  10. K

    Study Techniques???

    sequences and series + calculus
  11. K

    Study Techniques???

    our assessment today was a complete joke. the average for 3u/4u kids will be ~90-95 whilst the average for 2u ppl will be 80%
  12. K

    Study Techniques???

    yeah. the only thing that is 'difficult' in geo applications of differentiation is maxima and minima and btw i have first hand experience cos i have an assessment tomorrow too!
  13. K

    Study Techniques???

    lol. do MIF first and then do past paper questions. make sure you do lots of maxima and minima :)
  14. K

    I need help with these physics questions!

    haha i was just joking/trolling with him cos he's a friend :/
  15. K

    I need help with these physics questions!

    alright, thank you. also could you pls just kill yourself? i give you 1/3 for your lack of sensitivity, it was just a silly mistake. just to reiterate, kill yourself. fullysrs/10
  16. K

    I need help with these physics questions!

    i reckon the answer is 6.96*10^10. (and im sure it's without the negative sign this time) Also if you dont mind me asking, which textbook/where are you getting these questions from?
  17. K

    I need help with these physics questions!

    yeah im pretty sure the answer to part c) is -6.96*10^10
  18. K

    I need help with these physics questions!

    wait how do you calculate part c)?
  19. K

    I need help with these physics questions!

    wait is the answer to part c) 6.96*10^10? (btw i havent done the space topic at school yet)
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