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  1. L

    2002 question 25 helP!

    http://www.boredofstudies.org/courses/science/physics/2002_Physics_HSC_Exemplar_Q25_BOS.pdf can someone explain the how to get the direction of the magentic field in part C. thank you
  2. L

    investigation - radio waves

    perform an investigation to demonstrate the produciton and reception of radio waves. We never did this! help please!
  3. L

    investigation - analogue and digital

    investigation to demonstrate difference between analogue and digital voltage over time. Can someone explain please!
  4. L

    thomson's charge to mass ratio

    can someone explain his experiment to me? i read the jacaranda text book but my teacher said it was wrong so now i'm completely confused!
  5. L

    US and UN.. did anyone do them?!!

    how'd u find it!
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