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  1. A

    How was physics 9702 p41 ???

    I found the oscillation question .. the one about finding the amplitude difficult
  2. A

    How was physics 9702 p41 ???

    I don’t remember that one .. but it was so simple.. do u remember ur answer?
  3. A

    How was physics 9702 p41 ???

    For 5). Theyll be a downward force on the magnet cuz according to Newton’s 3rd law it’ll be opposite to the upward force on the wire
  4. A

    How was physics 9702 p41 ???

    I think so
  5. A

    How was physics 9702 p41 ???

    They said in terms of Q .. how much more charge is required .. it’s 3 times the original charge so 3Q
  6. A

    How was physics 9702 p41 ???

    Aight .. to get 3Q (additional charge) u first have to find the charge when the sphere has a radius of 52cm which is 6*10^-6 C and the Q (sphere with 28cm radius) was 1.5*10^-6 so to find the additional charge u have to subtract 6-1.5 which is 4.5 *10^-6. And then divide it by Q (which is...
  7. A

    How was physics 9702 p41 ???

    What do u guys think tbe threshold for A will be ?
  8. A

    How was physics 9702 p41 ???

    Yes it was just Q multiplied by 1 sec .. and for the electric field the answer was 3Q (for ten second part )
  9. A

    How was physics 9702 p41 ???

    Sin graph
  10. A

    How was physics 9702 p41 ???

    About the activity .. ur method is correct
  11. A

    How was physics 9702 p41 ???

    Force is directly proportional to current
  12. A

    How was physics 9702 p41 ???

    Well, I’ll tell u what I remember.. alright so for the last page .. activity was 3.6*10^4. And the decay constant was 4.1 *10^-4 ... and graph? U mean the force and time?? I got a sinusodial graph with peak current at 7.2A and time period 0.05s
  13. A

    How was physics 9702 p41 ???

    I personally found it really good .. what do u think the threshold for A will be ? I predict it will be more than 65 .. and can anyone remember some of the answers?
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