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  1. Thought blocker

    Physics: Post your doubts here!

    https://www.xtremepapers.com/community/threads/physics-post-your-doubts-here.9860/page-523#post-820191
  2. Thought blocker

    Physics: Post your doubts here!

    We apply the formula :¬ 1/2 * F * extension so 1/2 * 25 * 0.2 = 2.5 J
  3. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    momentum is conserved so it should remain as mv now, principleof conservation of momentum. mv= 2m(v) bracketed v is unknown. By calculation, unknown v would be half the original v, v/2. KE= 1/2 2m (v/2)2 observe here, it is 2m not just m. So answer is A.
  4. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

  5. Thought blocker

    Was jk

    Was jk
  6. Thought blocker

    LOL...

    LOL https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc3/t1.0-9/995547_10151697402351314_1103001487_n.jpg
  7. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    LOL I know that, but 31 and 38 ._. ?
  8. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    ZaqZainab Hadi Murtaza
  9. Thought blocker

    [Game] | MALE Vs. FEMALE

    1830 6:36 hogayi
  10. Thought blocker

    Chemistry: Post your doubts here!

    ?
  11. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    ZaqZainab
  12. Thought blocker

    Physics: Post your doubts here!

    for finding the acceleration with lowest speed you have to divide no of protons with atomic mass A. H ... 1/1 = 1 B. He ... 2/4 = 0.5 C. Li ... 3/7 = 0.43 D. Be ... 4/9 = 0.44 C has the lowest speed so C would be the answer.
  13. Thought blocker

    [Game] | MALE Vs. FEMALE

    1850
  14. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    Change of momentum = m(v-u) -------------------------> = 20,000(30 -6) -------------------------> = 480,000 Ns Rate of change of momentum = [m(v-u)]/(t) so 480,000 / 300 = 1600 N so B
  15. Thought blocker

    [Game] | MALE Vs. FEMALE

    1870 bye
  16. Thought blocker

    [Game] | MALE Vs. FEMALE

    1890
  17. Thought blocker

    Me too :'(

    Me too :'(
  18. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    28) 28 the charged particle moves with a displacement perpendicular to the direction of the force when the force and the displacement are perpendicular to each other, the workdone is 0 F cos (90) x distance = 0 32) Where R will be lowest Ammeter readings would be highest D is answer :) 34)...
  19. Thought blocker

    [Game] | MALE Vs. FEMALE

    1910
  20. Thought blocker

    [Game] | MALE Vs. FEMALE

    1930 220 -_- okay :P
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