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LOL, my school uses maths in focus. bahahaha

http://exampapers.web.fc2.com/tests/hs/y11/physics/2002BlakehurstHSMovingAboutTopicTest.pdf For Q2 of the above paper is the velocity of the boat relative to the ground 8 m/s north? Confused with what the velocities are relative to. Can someone tell me how to determine this?

Re: 2012 HSC MX2 Marathon Dont worry Nooblet, get some rest. I have bad days as well.

Re: 2012 HSC MX2 Marathon ^ I got 0.

Sport suddenly went from shit to cool in the shift from last year to this year. Extension maths/english students at my school don't take it though.

^ LOL, you're hard today aren't you goodwin.

Re: 2012 HSC Mathematics Marathon! Let the total distance covered by the ball till rest be d. d=2(2.4+0.75*2.4+0.75*2.4*0.75+...)=2[2.4/(1-0.75)]=4.8/0.25=4.8*4=19.2m Hence, d=19.2m

^ gtfo.

No it should still be -g as it is going upwards, thats why it comes back down lol.

Apparently, according to my teacher, as the ball strikes the ground and is sent back up again in that extremely small interval of time the acceleration is a large positive value if you taking gravity acting negatively. WTF?

apparently it looks something like this

Hey guys, can someone draw and explain this sort of graph for me?

no girls in my physics class. physics camp is going to be a sausage fest.

This is university maths. ^

^ yes

http://www.youtube.com/watch?v=aqA4cb60rWc

"Bu-uuu...I can't be a..." "A tim tam."

All your in school assessments make 50% of your final hsc mark. The other half of the mark coming from your external i.e. your mark on the final exam.

lol this.

D94, don't waste your time, georgehana is a troll.