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  1. Hamzeh S

    *** was that(physics paper 3)

    yaa !! it decreased in the beginning because test tube expandded then rise because liquids expanded as it gain Ke ...etc then why is it higher because liquids expands higher than solids :D
  2. Hamzeh S

    *** was that(physics paper 3)

    no it was 300/45 ? the graph was max at 300 not 350 :S ?
  3. Hamzeh S

    Poll:Physics p31

    btw the beta particles i said the force affect them inside the page but the seocond part i wrote that since its negative it acts in the opposite direction so outside the page and some one check my electricity quesitons up :P
  4. Hamzeh S

    Poll:Physics p31

    ya i got the same :D
  5. Hamzeh S

    Poll:Physics p31

    yaa i did the same mistake
  6. Hamzeh S

    Poll:Physics p31

    guys in the question about electricity first one i got 2.4 since v=IR and we got the current and resistance second one was 2.4= 2I so current is equal to 1.2 last part i found the resistance in parallel and used V which is 6 = the whole current which was 1.2 + 0.8 so 2 and the resistance which...
  7. Hamzeh S

    Poll:Physics p31

    oh thank god :P what about how to make a positivivly charged object i wrote earthing negative will escape and positive charges will replace it
  8. Hamzeh S

    Poll:Physics p31

    Guys second page did you write acceleration and deacceleration and the one in the middle constant speed ? i got speed 6.66 and the max speed was 9.33 ? the flask question it went down cause the tube expanded went up again because the water gained kinetic energy and expanded and the difference i...
  9. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    Centripetal force is the force acting towards the center of the circle now to get this force you need to changed direction so friction between tyres and track occurs when the friction is not enough to provde enough force to stay in cirular motion you leave the track
  10. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    oh nvm i got it just use the area under triangle like a graph 0.5 x 0.6 and 1.2 it will give you the distance which is 0.36
  11. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    you said ^ 2 you did ^3 you said +1 you did *1 ? :S can you type the write equation please
  12. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    well if it is zero then you did wrong calculation :S you used it as one in your calculation there
  13. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    wh what is intial velocity :S ?
  14. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    what is u ? and a ?
  15. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    with the magnets sorry * since they produce a current by changing the magnatic flux
  16. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    i mean without the iron bar inside but you can draw it :P
  17. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    http://www.google.com/imgres?q=solenoid+induction&hl=en&safe=off&client=safari&sa=X&rls=en&biw=1276&bih=569&tbm=isch&prmd=imvns&tbnid=c3y8G93zrn296M:&imgrefurl=http://www.one-school.net/Malaysia/UniversityandCollege/SPM/Workbook/Physics/f5chp3/induction.html&docid=RSzRYOBjLbBYnM&imgurl=http://www...
  18. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    oh well only few are reflected so this means there is a dense small object ( small cause just few rays was reflected ) many kept moving without any change in direction this means its mostly empty so this mean the reflection or deflaciton happens because there is an dense small charged object...
  19. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    You need to Extend the dotted line till the end of the page then mark the end of that line as point o then measure 44 with your protractor from the line and draw a line 8 cm ( use any scale you like i used 1 cm = 1N Then on the left side measure an angle of 69 and draw a 6 cm line Then using...
  20. Hamzeh S

    Physics, Chemistry and Biology: Post your doubts here!

    Well its going to the nucleas which is a dense object so it reflects and b is moving close to the nucleas so it will be a little deflected but C doesnt pass close to the nucleas so it just keeps moving on
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