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  1. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    yaeh.. if air resistance is negligible, than actually drag force is also ignored...
  2. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    well.. here we are considering the air resistance.... DRAG force is a force which is experienced by a particle moving in fluids... it is always opposite in the direction of the motion of the body.. same as frictional force on the a moving object... since the object was thrown horizontally, Drag...
  3. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    good:P
  4. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    han han.. aik mint bs...
  5. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    with the air in between, it will feel continuous opposing force ... this will never allow its velocity of the ball to reach the one before... so A can never b the answer...
  6. umarashraf

    !~The question game~!

    black and brown... your fav sportsman?
  7. umarashraf

    !~The question game~!

    its Enngland:P ur name...:P:P:P:P:P
  8. umarashraf

    !~The question game~!

    I think Pakistan is best:p if you are to be the president of your country, which thing will u do first...???
  9. umarashraf

    !~The question game~!

    German... and you...??? same question..:P
  10. umarashraf

    !~The question game~!

    yes... i did horse riding for around a month do u personally feel that most people really come at Xtremepapers to study...???
  11. umarashraf

    EURO 2012

    yar Portugal should have won today:( they tried their best in the last moments butt failed to score... but i think spain or germany would take this euro cup
  12. umarashraf

    True Or False ::::::: The Game Of Vision

    false person below loves shopping..
  13. umarashraf

    Which is best indian song?

    Anarkali DISCO challi... sach a sad and emotional song... :(
  14. umarashraf

    True Or False ::::::: The Game Of Vision

    false... person below love watching tv...
  15. umarashraf

    True Or False ::::::: The Game Of Vision

    true:p person below hates baseball:P
  16. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    n10 22... sir option B and D will produce the extension on 1/2 ratio for every weight.. so forget about them... consider A.. spring with high K is difficult to be expanded.... by placing a high k spring down will enable it to work both ways around.. when a heavy mass is to be suspended, rigid...
  17. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    n10. 32.. battery will always provide constant emf if not damaged.. so option A and B is wrong... since the voltmeter is connected across the the battery, it will only tell the pd drop across battery not the lamp.. so option D also go wrong.. in addition to that.. lamp is connected in series...
  18. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    oh.... let me do it all again..
  19. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    can u solve the 2 eq.. i may have made calc. errorz...:(
  20. umarashraf

    AS Physics P1 MCQs Preparation Thread.

    i dont have the marking scheme :p but the ans is D... we donot know the initial speed .... so we have to form two simultaneous equations to solve this.. s=ut+.5at^2... 1. 40=12u+1/2a(144) 2. 40=6u+1/2a(36)... solve them.. and you will numerical value equal to...
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