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anonymous

  • 4 years ago

a particle starts SHM from means postition then find out the time taken by particle in moving from mean position to half of extreme position and from half of extreme to mean position

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  1. wasiqss
    • 4 years ago
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    so

  2. anonymous
    • 4 years ago
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    my doubt is how to start i mean in first part x=asinwt

  3. anonymous
    • 4 years ago
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    no shankvee its not the ans by the way and u dont jhave to solve till i ask u ..ok u just have to make correction in my ans or clear my doubts dat i m facing in ques

  4. anonymous
    • 4 years ago
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    ok ok very sorry. :D

  5. anonymous
    • 4 years ago
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    yeah so in first part half of extreme would be A/2. Then find time.

  6. anonymous
    • 4 years ago
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    np.. well here extreme means A rit and half of extreme is said to be A/2 so A/2=Asin wt sinwt=/2 sinwt=pie/6

  7. anonymous
    • 4 years ago
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    Correct.

  8. anonymous
    • 4 years ago
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    nw from extreme to mean i m not gettin how to do this part

  9. anonymous
    • 4 years ago
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    i mean give me hint dont solve

  10. anonymous
    • 4 years ago
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    Whatever time it takes from mean to extreme its same for reverse journey.

  11. anonymous
    • 4 years ago
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    no its not and how can be it will be same imagine there is air ressitance force is also there which slows down the speed

  12. anonymous
    • 4 years ago
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    i remeber when i used pendulum timing is not same in practicals

  13. anonymous
    • 4 years ago
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    Ok lets see (Air resistance does not matter This is ideal case.)

  14. anonymous
    • 4 years ago
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    as velocity decreases due to time increases

  15. wasiqss
    • 4 years ago
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    shm means that we have to neglect resistive force

  16. anonymous
    • 4 years ago
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    Ok so if you calculate time to reach from mean to extreme then you get wt=pi/2. Now time taken to reach from mean to mean again, would be wt=pi. Think about it. subtracting the two would give wt=pi/2 so it turns out to be same.

  17. anonymous
    • 4 years ago
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    but then dont u think pendulum will have same KE in all position??

  18. anonymous
    • 4 years ago
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    No KE isn't same as PE varies( Conservation of mechanical energy). Total mechanical energy will reamin same.

  19. anonymous
    • 4 years ago
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    thats wat i m saying velocity differs due t which KE also differs

  20. anonymous
    • 4 years ago
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    to

  21. anonymous
    • 4 years ago
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    Wait what are you asking?

  22. anonymous
    • 4 years ago
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    time period from half of extreme to mean

  23. anonymous
    • 4 years ago
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    ya

  24. anonymous
    • 4 years ago
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    Well here |dw:1328375754735:dw| Now here particle will first move from half of mean to extreme and then from extreme to mean. Calculate each time seperately.

  25. anonymous
    • 4 years ago
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    luk wen it is going from mean to half extreme time period is T/12 wen it goes from half of extreme to mean its timeperiod is T/6

  26. anonymous
    • 4 years ago
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    yes........ that is correct

  27. anonymous
    • 4 years ago
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    yea i get it means we have to do t=T2-T1 t=T/4 - T/12 t=T/6

  28. anonymous
    • 4 years ago
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    u are right partially t = T/-8

  29. anonymous
    • 4 years ago
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    You asked me time for extreme to mean and i told you it'll be same as from mean to extreme....

  30. anonymous
    • 4 years ago
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    Hold on your equation are wrong anuway the time is T/12 only.

  31. anonymous
    • 4 years ago
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    yea but wen we go from mean to extreme time period is T/12 and from mean to xtreme T/4 and time period from half extrreme to mean is T/6 luks value is different

  32. anonymous
    • 4 years ago
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    i done this by luking ur duagram shown by u

  33. anonymous
    • 4 years ago
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    It isn't T/4-T/12. That would be time from extreme to half of mean i'm talking of mean to half of extreme.

  34. anonymous
    • 4 years ago
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    Wait wait hold on go slow.

  35. anonymous
    • 4 years ago
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    and by the way yash calulate agin it will come T/6

  36. anonymous
    • 4 years ago
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    What i'm saying is |dw:1328376302162:dw| time taken from A to B is same as B to A as in it goes directly from B to A not from B to C then to A.

  37. anonymous
    • 4 years ago
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    mean to half we will get T/12 ok nw pendulum is not stop there it goes to mean so time period we calulate is the whole displacement from mean to extreme right now we have to see time period from half extreme to that mean

  38. anonymous
    • 4 years ago
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    I'm sorry, i'm running really late i need to go, i'll reply tomorrow.

  39. anonymous
    • 4 years ago
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    |dw:1328983593297:dw|

  40. anonymous
    • 4 years ago
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    ok bye nd thnx for ur help

  41. anonymous
    • 4 years ago
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    Did you get it???

  42. anonymous
    • 4 years ago
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    yea i get and today i given my exam it was awesome but after as u gone due to some mischeif happen here so i m unable to study more my concentration gone but anyway paper goes well .. and now i got holiday finally after a long time and now i m soon going back to home :PP happy a lot ..

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