Recent content by Ugnius

  1. Ugnius

    Can Quantum Mechanics Ket and Bra Methods Solve Scalar Equations?

    Thank you. They are orthogonal yes , I'm brute forcing the solution right now , I solved for \beta. Now I need to solve \langle n \mid m \rangle = 0 and i'll get back to you for confirmation if I did it correctly
  2. Ugnius

    Can Quantum Mechanics Ket and Bra Methods Solve Scalar Equations?

    Not really even sure how to approach this problem , I would guess if we need scalar answer we would need to combine these two given equations together but I'm unfamiliar with such methods, in the book there is methods to make a ket to a bra and then matrix part transposes and multiplies with the...
  3. Ugnius

    I need sources to learn about dynamic systems

    Hi! I have exam in couple of weeks , and now am looking for sources to learn about dynamic systems , chaotic systems and etc. My main goal is to learn characteristics of such systems , learn about special points in dynamic plane. For the most part we used to create dynamic system simulations...
  4. Ugnius

    RL circuit after switch has been opened

    In our system there is random number generator in range, and he did the range accidentaly 0 - 10 , when he meant 0-9.
  5. Ugnius

    RL circuit after switch has been opened

    There was a typo after all.
  6. Ugnius

    RL circuit after switch has been opened

    This is in online questionare , where the answer is in the system and you have a blank square to write the answer to , after submit it's either green or you try again. I fill try to write my proffesor and ask him how is that possible.
  7. Ugnius

    RL circuit after switch has been opened

    Hi guys , I've been trying to think this one out but I'm drawing a blank. What I am able to understand that I'm required to calculate the backwards emf when the switch is opened. The current through the resistor R1 is 9mA. I was wondering if 9.2mA is even possible? Can the current exceed Imax...
  8. Ugnius

    Work done on a magnetic dipole (compass needle rotating)

    Thank you guys , I solved it , and answer seems to be correct. Couldn't have done it without your help!
  9. Ugnius

    Work done on a magnetic dipole (compass needle rotating)

    I see , and should I use the full magnetic field , or just the x projection ?
  10. Ugnius

    Work done on a magnetic dipole (compass needle rotating)

    isn't E = τ*θ , θ being the dip angle?
  11. Ugnius

    Work done on a magnetic dipole (compass needle rotating)

    Yes , I have calculated x projection of Magnetic field, and calculated the torque , but I don't know what method to use to calculate the work.
  12. Ugnius

    Work done on a magnetic dipole (compass needle rotating)

    Sorry , but I didn't managed to understand. Can you maybe explain a bit simpler?
  13. Ugnius

    Work done on a magnetic dipole (compass needle rotating)

    So this is a sketch I made of the situation and this is my approach my approach is incorrect , and Idon't seem to find the mistake , maybe B*p isn't correct. Any ideas?
  14. Ugnius

    How to Calculate the Resistance of Nichrome in a Series Circuit with Graphite?

    So this is the statement in my native language, i will translate it word by word. E27. In order to get a conductor , with resistance independant from temperature , we combine coal and nichrome wires in series. If that stated combination has a resistance of 5.8 ohm , what is resistance of...
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