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This is out of the success one book. An alarm clock is set to go off in one hour when it is at rest. The alarm clock is set in motion at .95 times the speed of light (0.95 c) a) calculate how long it would take the alarm to go off for stationary observes watching it move away at .95c so...

ahhhh. intercept theorem. thankyou so much. circle geometry..grrr :mad1:

ah i'm sort of getting close. anymore help?

The diagram below shows the arc of a circle formed by chord (y). The line (x) is the perpendicular bisector of the chord y. Show that the radius (r) of the circle is given by r=y^2/8x + x/2 can anyone help? muchly appreaciated. diagram is attached.

ay hey! target crew! Target Tamworth Age :16 $9.89052/hour

hardest: MX2 content: Chem

ahaaaaa. i see now. thanks for your help. :)

Find the exact area enlosed between the curve y=sqroot(4-x^2) and the line x-y+2=0 can i get a worked solution off someone? thankyou.

Find the area bounded by the curve y=x^2+2x-8 and the line y=2x+1 i'm just not sure what to do with areas in all 4 quadrants. thanks in advance

so many people have already done first drafts. jeez. i haven't even started my first proposal yet. there are two in my class. i'm doing a short story on conflict and the human condition. my mate is doing a critical response on gaming as a visual medium (that's cheating...he gets to play games...

alright. back to exercise 1.1 then....sigh. lol yeh. some of the past HSC'ers and challenge set just had me completely beat. is there much of it in 4 unit?

Hey guys. Put simply, i suck at circle geometry. Horrible, hopeless. I dunno, its just something that i thought i had down pat...but when presented with a past question or slip it into an assessment task and i just choke hard. We only had 2 lessons on it in prelim cause the teacher was so far...

I'm doing The Bends by Radiohead. Chockers with metaphors and techniques and the like.

lol. i did a reset all and got the right answer. musta been in some weird mode. thanks heaps bro

understood perfectly. thankyou.

or quadratic formularise it if u want the long way...

Find the max possible area if a straight 8m length of fencing is placed across a corner to enclose a triangular space. Can anyone lend their expertise?

we're pretty much done complex numbers. got the assessment start of term 1 i think. not sure whats next.

with this line v^2=1.512663849x10^42 1.680737811x10^25 I get an answer > 3x10^8....is that just my calculator shitting itself at the sight of dividing such big numbers? where did u get your answer from? thankyou so much for the working. lifesaver.

but do i turn c^2 into 3x10^8^2? and when i do i have trouble getting it back in terms of c... cause i get an answer but can't turn it into 0.9999994c or whatever the book says