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  1. destined007

    Physics multiple choice help

    Q23) V=fλ f=8/50=0.16 Hz max v=2 π fa=2 π 0.16 (2) v=0.64 π KE=1/2mv^2 KE=1/2 2.0 × 10–3 (0.64 π )^2 =4 mJ Q24) Young modulus will be the same because the material is same
  2. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here!
  3. destined007

    Where to get the M/J 11 Papers from?

    Here: www.xtremepapers.com/forums/viewtopic.p ... Fjune+2011
  4. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! tell me the partial fraction.
  5. destined007

    CHEMISTRY and PHYSICS notes!

    np. Welcome :)
  6. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! have a look at this: viewtopic.php?f=26&t=10804 and viewtopic.php?f=26&t=10873 (for further reference)
  7. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here!
  8. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! Q) f(x)= 1+ bx + ax^2 the maximum value is 4 where x= -1 find a and b. y=1+bx+ax^2 when x=-1, y=4 4=1+b(-1)+a(-1)^2 3=-b+a-----(i) b=a-3 differentiate the function dy/dx= b+2ax when y is max or min, dy/dx =0 In this case when x=-1...
  9. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! see your solution doesn't show the arrangement of different colors by their quantity. like 2R 1B 1G etc.
  10. destined007

    SAT for applying for a medical uni in pak??

    Most medical universities in Karachi won't accept your SAT, you know that right?
  11. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! Welcome :)
  12. destined007

    URGENT HEPL REQUIRED........

    Welcome :)
  13. destined007

    phyisx question help....

    The maximum amplitude is at resonance frequency f. So when 1/2f is given, the amplitude will be less.
  14. destined007

    Physics multiple choice help

    F=rate of change of momentum with respect to time F=(m1v1-m1v2)/T F=m1(v1-v2)/T rate of change of mass is given as m1/T=10kgs^-1 (note that time is already included in this mass because its a rate) the initial velocity is v1= 5 ms^-1 there is no final velocity because the water didn't rebound...
  15. destined007

    math question

    Yes and I have shaded the same.
  16. destined007

    phyisx question help....

    i have updated the post.
  17. destined007

    math question

    There has been a problem with all the images after the site went down. Now check. i have reposted.
  18. destined007

    URGENT HEPL REQUIRED........

    Marginal cost (in case of labor) is the cost incurred by hiring one more unit of labor. When one more unit of labor is hired the total number of labor becomes 201 and 201 x X will be the total cost incurred. If you subtract the previous total cost from this, you will get the marginal cost.
  19. destined007

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! Where's 'a' in your question?
  20. destined007

    phyisx question help....

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