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  1. Suchal Riaz

    Mathematics: Post your doubts here!

    daredevil here is a little video which will play without proxy. http://screencast.com/t/XwDUt8PMJ3L
  2. Suchal Riaz

    Mathematics: Post your doubts here!

    daredevil my best attempt at explaining. please ask me if you have any queries. make sure you understand everything.
  3. Suchal Riaz

    answered :)

    answered :)
  4. Suchal Riaz

    Physics: Post your doubts here!

    at maximum point, the crest and crest meet: so displacement = 1.4+2=3.4 units at minumum point crest and trough meet so displacement = 2-1.4=0.6 I is directly proportional to a² so ratio of I = 3.4²:0.6² = 32.1 Snow Angel
  5. Suchal Riaz

    Mathematics: Post your doubts here!

    ok no problem. at that i had a kind of brain freeze. tomorrow inshallah i will. if u want i can solve it now. :)
  6. Suchal Riaz

    Mathematics: Post your doubts here!

    daredevil please remind me to explain that part to you. now i have to go. sorry for being busy and delaying your doubt for long time.
  7. Suchal Riaz

    do u eat brains? zombie dadi :D

    do u eat brains? zombie dadi :D
  8. Suchal Riaz

    Physics: Post your doubts here!

    we don't talk about mass in radioactive decays because the mass of a particle is different when they are moving as they move at very high speed. we talk about their energies. E=MC² and their kinetic energy. the energy can be in form of mass or in form of kinetic energy. in A level write...
  9. Suchal Riaz

    Physics: Post your doubts here!

    jee?
  10. Suchal Riaz

    Mathematics: Post your doubts here!

    this is like an animtion to help you see what happens. *lighter ball stops at maximum point (instanenously at rest) then moves downwards. it's acceleration after heaver ball hits the ground is 10 m/s²
  11. Suchal Riaz

    Physics: Post your doubts here!

    that change is for every 1 meter. 4.2mm/m (4.2 mm per one meter) for 0.62 meters the change will be 0.62 meter *4.2mm/meter = 2.6 mm
  12. Suchal Riaz

    both objects have different speeds. they will reach maximum height at different time. when A...

    both objects have different speeds. they will reach maximum height at different time. when A will be at maximum height B will still be moving. we don't know the speed of B at that time so can't use that formula. but we know that when A is at max the time is 0.5s. so we can find it's displacement...
  13. Suchal Riaz

    Mathematics: Post your doubts here!

    do you understand it after video or should i explain it?
  14. Suchal Riaz

    you are talking about displacement of B when A has reached maximum height? you can't use that...

    you are talking about displacement of B when A has reached maximum height? you can't use that formula without finding final velocity of B at the point when A is maximum. initial velocity is 8 but final velocity is not zero for B.
  15. Suchal Riaz

    Physics: Post your doubts here!

    where we multiply meter by mm? we say 0.012 mm decrease per kelvin. so 0.012 mm/K * 350 K =4.2mm
  16. Suchal Riaz

    i don't get it. what are you saying?

    i don't get it. what are you saying?
  17. Suchal Riaz

    tupac <3

    tupac <3
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