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  1. Y

    Physics MCQs thread.

    i think this solution i in previous page u can look hatexam..........
  2. Y

    Physics MCQs thread.

    thanks xthegreat............
  3. Y

    Physics MCQs thread.

    hassan u can compare with 1/2mu^2= vq v=pd u =speed
  4. Y

    Physics MCQs thread.

    how 2 do it??
  5. Y

    Physics MCQs thread.

    frens over pratice is injirous to health so stop pratice
  6. Y

    Physics MCQs thread.

    for melon q. A=2m lamda(l)=50m so v=l*f hence f = 0.16 now max v =2*pi*2*0.16=2.01 so max ke =0.5*m*2.01^2 you wil gwt ans 4 mj
  7. Y

    Physics MCQs thread.

    you should always add the uncertiniy if x=y^2+z then uncertiniy in x =2*uncertiniy in y+uncertiniy in z it is only the formula
  8. Y

    Physics MCQs thread.

    uncertainty in p =2*uc.in v+uc. in r so us in p=2*3+2=8% c is wright
  9. Y

    Physics MCQs thread.

    what 2 do yar till 8 june///// boring........................
  10. Y

    Physics MCQs thread.

    remember that mass of athlets is approx. 80 kg and his\her velocity is 10m/s
  11. Y

    Physics MCQs thread.

    can any one post the force extension graph of rubber glass copper steel etc?? by drawing and screening it??
  12. Y

    Physics MCQs thread.

    @hatexam let density of p be p and q is q they are in equilribrum so pressure at bottom are equal so pg2x+qgx=pg2x which gives p/q=1/2 so ans is A HAVE U UNDERSTAND if not i willl xplain detalily
  13. Y

    Physics MCQs thread.

    o sory for telling man be positive u wil get sucess
  14. Y

    Physics MCQs thread.

    o
  15. Y

    Physics MCQs thread.

    ur welcome man do u hate xam??
  16. Y

    Physics MCQs thread.

    17.5mpa=1000*9.8*(2000-x)+830*9.8*x so solve it u will get x=1270
  17. Y

    Physics MCQs thread.

    http://www.xtremepapers.me/CIE/Internat ... 8_qp_1.pdf q. 24 how option is match??
  18. Y

    Physics MCQs thread.

    which is answer hassam??
  19. Y

    Physics MCQs thread.

    oh yea 1/4+1/4+1/4+1/4=1/r r=1 so reasultant=r
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