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  1. G

    Physics: Post your doubts here!

    since its the lowest frequency, and the speed is constant so it will be the max wavelength, due to their inversely proportional relationship. max wavelength >> when there will be only one node, on the closed end, and one antinode on the open end. and the distance between them is 45 cm which...
  2. G

    Physics: Post your doubts here!

    queen of the legend nov or june?
  3. G

    Physics: Post your doubts here!

    thnx i just drew my wave wrong :P
  4. G

    As and A Level Physics Coursebook question answers.

    can someone post the answers to the exam style questions of chapter 4, just the answers :) ...as many as you could. THANKS!
  5. G

    Physics: Post your doubts here!

    if a car is moving with a velocity lets say 10 ms-1, just one system...and you want to bring the velocity to zero. You apply x newtons in the opp direction, now its moving with 8 ms-1, then you apply lets say 2x newtons and the car stops. The larger the force you applied, the more the velocity...
  6. G

    Physics: Post your doubts here!

    can someone explain b iii :) qp: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w02_qp_2.pdf ms: http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w02_ms_2.pdf
  7. G

    Physics: Post your doubts here!

    what if a car is moving with a velocity and you want to apply a force to stop it....the more the force the lesser the velocity. :P
  8. G

    Physics: Post your doubts here!

    see here there taking F and V in relation to power. P is directly proportional to F P is directly proportional to V ok if the lorry's speed increases, definitely the resistive forces (air resistance) would increase. now the force and the velocity are both increasing. and both are directly...
  9. G

    Physics: Post your doubts here!

    what year is that?
  10. G

    Physics: Post your doubts here!

    by the formula Power = Force x velocity, P = Fv this is the derivation in case you havnt come across it, P = work done / time taken = Fd / t since d / t = v then P = Fv now rearrange to make v or F the subject of the formula, to see the relationship.. v = P / F and so v is inversely...
  11. G

    Physics: Post your doubts here!

    can someone please explain the graph in 2b qp : http://olevel.sourceforge.net/papers/9702/9702_s12_qp_22.pdf ms : http://olevel.sourceforge.net/papers/9702/9702_s12_ms_22.pdf thanks :)
  12. G

    What time are the SAT 1 results for the exam on 6th october??

    we live here as well
  13. G

    What time are the SAT 1 results for the exam on 6th october??

    mm i ddnt give the exam, my friends did, and all of them got it...keep trying. tell one of ur friends to try for you.
  14. G

    What time are the SAT 1 results for the exam on 6th october??

    there out!
  15. G

    What time are the SAT 1 results for the exam on 6th october??

    there supposed to come out today...when???
  16. G

    ah no no, but ur welcome =) and tons of good luck :D

    ah no no, but ur welcome =) and tons of good luck :D
    • geek101
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  17. G

    Physics: Post your doubts here!

    first of all i skipped scenario 4 there...sorry here are the answers with the diagrams.. I removed every branch with an open switch...and if the switch was closed i made it part of the wire... and the first one doesnt really need a diagram. hope its not too tiny :P
  18. G

    Physics: Post your doubts here!

    the formula for Power = R^2 / V were gonna use this for each scenario so just keep in mind that each resistor is 38.4 ohms and the V is gonna be 240 V no matter what. 1) S1 the control switch is off >> R = 0 ohms >> P = 0 W 2) R in B is zero because it parallel to the wire (when S2 is...
  19. G

    Physics: Post your doubts here!

    here are 3 rules - when you are multiplying or dividing you round the value to the no. of sig figs of the least precise from the values used - for addition and subtraction the no of decimal places in the result equals the number of decimal places in the least precise measurement and they make...
  20. G

    Physics: Post your doubts here!

    no prob, yep :)
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