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Search results

  1. L

    Help please......

    Q19...pressure in liquids is..ρgh where ρ is the density, g is the gravitational acceleration that is 9.81ms-2 and h is the depth frm the surface p=ρgh =1020*9.81*(10*1000)=100 062 000 Pa which is apprx. equal to 10^8 Pa
  2. L

    Help please......

    Q18......as the masses are pulled by the gravitational force and they are rising i.e gaining G.P.E. we use the gravitational potential energy..mgh the weight of the elevator is conterbalanced by m2 so to cancel its effect we subtract m2 frm m1 so its D
  3. L

    Help please......

    Q13...moments is the product of force and the perpendicular distance between the force and the pivot moments in clockwise directions are....(5*2)+(10*2)=30Nm (always remeber to take the perpendicular distance!!) moments in anticlockwise direction is...15*3=45Nm so the resultant will be 45-30= 15Nm
  4. L

    AS physics paper 2

    cuz the charge is positively charge, and it moves down due to gravity to make the charge stay in the middle, the downward plate Y must be +ve!! there will be repulsion between the positive charge and the positive plate
  5. L

    THIS or THAT

    hahahahaha lol i like the signature too :D world war II bike or car??
  6. L

    Biology Practical notes!!

    ur welcome thts ur first post! :D
  7. L

    THIS or THAT

    spiderman 2 white chocolate or dark chocolate??
  8. L

    Physics HELP PLEASE !

    the heat energy frm the sun is used to heat the water and then causes the evaporation of water up, in the sky the water vapours form clouds then the vapours may condense into liquid (rainfall) this rain water can be stored and collected behind the dam
  9. L

    THIS or THAT

    motay :mrgreen: ice cream :D batman or spiderman? :D
  10. L

    THIS or THAT

    supreme quarter pounder or big mac (mc donalds)
  11. L

    THIS or THAT

    langra o level system or inter system
  12. L

    THIS or THAT

    ammmmmm ammmmmmm ammmmmmm mosquito (cuz we can kill them easily :D ) lizard or cockroach? :D
  13. L

    THIS or THAT

    spoon roses or daffodils?
  14. L

    THIS or THAT

    red bull fanta or pakola?
  15. L

    THIS or THAT

    buttons pen or pencil?
  16. L

    THIS or THAT

    brain tomato or potato
  17. L

    THIS or THAT

    boating :mrgreen: or :D ?
  18. L

    Attendance Register

    present.
  19. L

    THIS or THAT

    day!! tom n jerry OR mr.bean??
  20. L

    THIS or THAT

    small words pink or purple?
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