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  1. Prakhar

    Standards Booklet

    Does anybody have Standards booklet for Physics OR chemistry OR Biology please if anyone has for only one subject...its ok... please help..
  2. Prakhar

    Mathematics: Post your doubts here!

    Sorry i can't help with P3 questions because i have completed my P1 and S1 in O/N 2012... and i am still studying P3 and M1 maybe other users will help...
  3. Prakhar

    Physics: Post your doubts here!

    the displacement is zero because.... displacement=distance moved from one point to another OR you can also say it as the shortest distance between two points.. so when the car will move in a circular track the R(radius) remains the same..that means the distance between the center of the circular...
  4. Prakhar

    Physics: Post your doubts here!

    that is because formula is MxGxH the mass decreased is M/2 , height decreased is H/2 ,The G(gravity) remains the same... so when you multiply them the answer will be MGH/4 hence the option B is correct :)
  5. Prakhar

    Mathematics: Post your doubts here!

    https://docs.google.com/file/d/0B87Nhbh_eflXbEZIT2lDcFF3anM/edit i hope this will help..if u still face problems feel free to ask...
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