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  1. Z.A.M

    Physics, Chemistry and Biology: Post your doubts here!

    No dude better to give it to 3 or 2 decimal places
  2. Z.A.M

    Physics, Chemistry and Biology: Post your doubts here!

    :p
  3. Z.A.M

    Physics, Chemistry and Biology: Post your doubts here!

    No dude ur speed can be increasing but the rate at which it's increasing can slow for eg a car increases his speed from 2 to 8 m/s in only 4sec but now he increases his speed from 8 to 10 in 4 sec this means he only increased his speed by 2 in 4 sec so his acceleration decreases yet his speed...
  4. Z.A.M

    Physics, Chemistry and Biology: Post your doubts here!

    Yes u r rite acceleration is the rate of change of speed so his speed may be increasing but he's accelerating He decelerates when his speed decreases or hes goes in opposite direction
  5. Z.A.M

    Physics, Chemistry and Biology: Post your doubts here!

    Is there a really difficult or tricky question that anyone has gone through please post here I wana try everything incase I've missed
  6. Z.A.M

    Physics, Chemistry and Biology: Post your doubts here!

    Well just use the formula speed=frequency*wavelength If u wana know about part 2 that's a little trick First find the time taken for the shock wave to travel to the centre of earthquake by using s=d/t 6.0x10^5/2.5x10^3=240sec Then using the same formula find the time taken for the shock waves...
  7. Z.A.M

    IGCSE Physics and Chemistry post your doubts !:)

    Now for your answer Mystery U see conduction always occurs in solids seeing the picture the have labelled copper so you know metals are good conductors of electricity so The copper rod will absorb the heat and conduct all the heat away quickly Then Convections always happens in liquids or air So...
  8. Z.A.M

    IGCSE Physics and Chemistry post your doubts !:)

    First of all Thanku for asking this question it was a nice one since I was just revising this chapter
  9. Z.A.M

    IGCSE Physics and Chemistry post your doubts !:)

    Sometimes we have two type of catios and anions migrating to the cathode so preferential dicharge takes place For cations always remember the less reactive metal will gain electron easily and be deposited for e.g electrolysis of Aqueous Nacl we have Na and H ions H will be discharged to hydrogen...
  10. Z.A.M

    IGCSE Physics and Chemistry post your doubts !:)

    Temperature is the average kinetic energy of molecules so if temp increases kinetic energy of molecules increases and thus because the molecules move with greater speed so the number of collisions increases this is how the pressure increases clear this concept first Now coming to ur question...
  11. Z.A.M

    Physics .... U better surrender now coz I'm not giving up either conquer u or DIE

    Physics .... U better surrender now coz I'm not giving up either conquer u or DIE
    • Z.A.M
    • Profile post
  12. Z.A.M

    I dun no get the fizics HELP!!!!!!!1111111 oxo thx

    Wat don't u get in it
  13. Z.A.M

    Bio paper 31

    Have seen it ages ago
  14. Z.A.M

    Bio paper 31

    Ohhh so ur parents voted? Who do u think is gna win
  15. Z.A.M

    Bio paper 31

    Story of my life did that in all papers
  16. Z.A.M

    Chemistry Paper 61

    Guddd so u considered me inbox advice so me goin too bye gudd luck even if u r not right I give ur brain da credit for thinking all dat moles stuff that was really weirdd dude :p
  17. Z.A.M

    Chemistry Paper 61

    That's rite
  18. Z.A.M

    Chemistry Paper 61

    But the salt forming was silver iodide I'm talking about the second last part dude
  19. Z.A.M

    Chemistry Paper 61

    Well apologizing always makes a bigger person
  20. Z.A.M

    Chemistry Paper 61

    @That really weird dude I was only asking about the silver nitrate not the whole question one it was for one mark dude I don't think it required the mole thingy y cudnt it be yellow ppt formed
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