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  1. D

    Further Mathematics: Post your doubts here!

    Further maths is ez m8
  2. D

    Physics: Post your doubts here!

    What was the last graph question?
  3. D

    Physics: Post your doubts here!

    I'm probably just going to sit in a corner and cry. I really need a C in maths and physics.
  4. D

    The spirit of my people is starving, broken and sweaty. Dreaming about revolution looking at my...

    The spirit of my people is starving, broken and sweaty. Dreaming about revolution looking at my machete.
  5. D

    Physics: Post your doubts here!

    Coherent light source
  6. D

    Physics: Post your doubts here!

    x-ray
  7. D

    Physics: Post your doubts here!

    Wow. You must be like the cleverest in the country. What about the total % marks? 100%?
  8. D

    Physics: Post your doubts here!

    What % marks do you expect?
  9. D

    Physics: Post your doubts here!

    I am crying already. I wish Allah loved me :( Maybe I'm just a horrible human being.
  10. D

    Physics: Post your doubts here!

    What was the first graph question?
  11. D

    Physics: Post your doubts here!

    I'm going to cry all vacation. Btw moment one with rods was both decreases. I can prove.
  12. D

    Physics: Post your doubts here!

    I pray I don't get a D this time too. Best of luck to everyone.
  13. D

    Physics: Post your doubts here!

    It's a slight inaccuracy from CIE I believe. Instead of "infinite", you should interpret as "very large".
  14. D

    Physics: Post your doubts here!

    Oh there is not solution. I got confused.
  15. D

    Physics: Post your doubts here!

    2(x+5) + 1 = 7 + 2x. Please help.
  16. D

    Physics: Post your doubts here!

    Waves are in phase. Which means that their path difference is 0. Which means that their displacement is same. So the answer is C. When the ratio is -1, their displacements are in opposite direction. This means that when the meet at a point, their resultant displacement is 0. This means that it...
  17. D

    Kalashnikov machine gun flow that I fire. Obnoxious until they shoot me on the day I retire.

    Kalashnikov machine gun flow that I fire. Obnoxious until they shoot me on the day I retire.
  18. D

    Physics: Post your doubts here!

    a = -F/m. s = 100. v = 0. v^2 = u^2 + 2as u = sqrt(v^2 - 2as) = sqrt(200F/m) When u = sqrt(200F/m), a = -0.8F/m and v = 0, v^2 = u^2 + 2as, s = (v^2 - u^2)/2a s = - sqrt(200F/m)^2/(-0.8*2F/m) = (200F/m)/(1.6F/m) = 125.
  19. D

    Physics: Post your doubts here!

    Length of 1 turn is pi*D. Length of n turns is pi*D*N. Cross section area = pi*d^2/4.
  20. D

    Physics: Post your doubts here!

    p.d. across P = p.d. across R So P/Q = R/S
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