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  1. S

    Physics Unit 4 JUNE 11/6/12

    ya past papers 4 phy the timing is 12:29 in UAE ryt?
  2. S

    Physics Unit 4 JUNE 11/6/12

    ya ur ryt so btw wat ur doin nw?
  3. S

    Physics Unit 4 JUNE 11/6/12

    ya phy is jst unlovely atall i tok it cuz i mst take either math or physics A level
  4. S

    Physics Unit 4 JUNE 11/6/12

    no prb i c unit 5 is easy bt im sad 4 nt studying b4 :( anyway hope it goes well :)
  5. S

    Physics Unit 4 JUNE 11/6/12

    ya Q(6) and Q(14) part b i wrote the ans as the higher the temp the more power supplied is it correct? and q(18) part b(ii) i wrote as mass increases the speed will decrease and i used the formula f=mv^2/r and part (c) i didn kno how 2 solve
  6. S

    Physics Unit 4 JUNE 11/6/12

    no seriously i didn study it ever b4 like 2day im studying frm the begining and past papers r wonderful 4 the ques's:(
  7. S

    Physics Unit 4 JUNE 11/6/12

    i hate astrophysics and yet i didn study anythng it u can say i kno nthn in it:( hope i'll be able 2 finish my studies as soon as possible
  8. S

    Physics Unit 4 JUNE 11/6/12

    heyy..:) i wanna ask u did u solve sample's assesment material?
  9. S

    Physics Unit 4 JUNE 11/6/12

    bye tc :)
  10. S

    Physics Unit 4 JUNE 11/6/12

    happy time wth astrophysics:)
  11. S

    Physics Unit 4 JUNE 11/6/12

    im solving ques's for nuclear physics wat abt u?
  12. S

    Physics Unit 4 JUNE 11/6/12

    ohh thnx alot and sry 4 disturbing u alot :)
  13. S

    Physics Unit 4 JUNE 11/6/12

    1st part the exp part?
  14. S

    Physics Unit 4 JUNE 11/6/12

    so when the bridge oscillate due to people walking it wil then reach its natural frequency and since the dampers are tuned to the bridge's natural frequency so the bridge transfers energy 2 them? and why they say havily damped they mean abt the bridge or the dampers?
  15. S

    Physics Unit 4 JUNE 11/6/12

    i wnted q(5) last part and q(6)
  16. S

    Physics Unit 4 JUNE 11/6/12

    ok i wil tel u how i wrote it : they absorb energy from the oscillation of the bridge and dissipate it into the surrounding. this reduces the amplitude of oscillations exponentially avoiding resonance whch cld cause the bridge 2 collapse and it shld be heavily damped 2 prevent large amplitude...
  17. S

    Physics Unit 4 JUNE 11/6/12

    ok nw the damper shld equal the bridge's natural frequency?and i kno tht it wil tranfer energy 2 the bridge?
  18. S

    Physics Unit 4 JUNE 11/6/12

    wlc :) ok i ned u 2 explain me the last part of tht que and y they tuned the damper 2 the natural frequency of the bridge?
  19. S

    Physics Unit 4 JUNE 11/6/12

    ya its the max displacement frm equlibrium position look in the pearson book pg 151 the pendulum dynamics paragraph 2
  20. S

    Physics Unit 4 JUNE 11/6/12

    u kno smethng i really hate phy and the most thng i hate in phy is astrophysics
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