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a quick question from the 2002 3U exam. Question 4, part c i, for those playing at home: Particle whose displacement is x, moves in SHM so that x(double dot) = -16x. at time t=0, x = 1 and x(dot) = 4. Show that, for all positions of the particle; ∣x(dot) ∣= 4√(2-x^2) Hope this makes sence as...

Has ne one else been able to get hotmail to work with Thunderbird? I have downloaded the webmail and hotmail extensions for it, but when i got to check email, get the message: An error occurred with the POP3 mail server. Mailserver localhost responded: ne help would be...

should be an easy question, but hitting a mental blank; Formula for acceleration for a particle is given by A=5x - e^2x + 3, where x is the displacement of the particle. If the acceleration of the particle is a constant -9.8 ms^-2, find the rate of change of its displacement when its...

This was in my half yearly today, and i couldnt work it out. If complex # 'z' and its conjugate ź satisfy the equation zź + 2iź = 12 + 6i. Find the possible values of z. Any help would be great.

How many of u guys and girls do the 2 unit assessments? Both my 4unit and 2/3 unit teachers say it is a great idea to do them, so i am, starting with the half yearly. And if u do, what marks do u get, do u study for them etc.

In reply to the thread kkkkaitlyn started. Mine is Earth & Environmental science.

I was wondering if there are ne other ppl here who have an interest in gridiron?