Recent content by Iron_Man_123

  1. Iron_Man_123

    Is the force on a dipole parallel or perpendicular to the electric field?

    Homework Statement The force exerted by a uniform electric field on a dipole is: A) Parallel to the dipole moment. B) Perpendicular to the dipole moment. C) Parallel to the electric field. D) Perpendicular to the electric field. E) non of the above. Homework Equations Net force on dipole = 0 N...
  2. Iron_Man_123

    Electric field strength -- calculating distance from charge

    Homework Statement At a distance D from a very long (essentially infinite) uniform line of charge, the electric field strength is 1000 N/C. At what distance from the line will the field strength to be 4000 N/C? Homework Equations E=kq/r2 The Attempt at a Solution I know that E is inversely...
  3. Iron_Man_123

    Body diagonals -- unit vector notation

    However, I wrote zero in the i component in the answer space to part (b), does that mean the computer system is wrong and I am right?
  4. Iron_Man_123

    Body diagonals -- unit vector notation

    It's at the top right corner of the image, which has 0 x-coordinate, am i mistaken?
  5. Iron_Man_123

    Body diagonals -- unit vector notation

    Homework Statement I'm fully convinced that the zero values make sense, yet they are wrong, can somebody please explain why is that the case Homework Equations N/A The Attempt at a Solution Attempt in the image above
  6. Iron_Man_123

    Average speed, average velocity for a road trip

    Homework Statement [/B] I'm very stuck at answering parts (c) and (d) Homework Equations speed = Distance/Time The Attempt at a Solution
  7. Iron_Man_123

    Traffic shock wave physics -- please explain

    Homework Statement Homework Equations N/A The Attempt at a Solution I can't even understand the question and what is happening in the situation :(
  8. Iron_Man_123

    Can you me answer this question about vectors

    Homework Statement Homework Equations N/A The Attempt at a Solution I tried to sketch the paths but i sill ended up blank
  9. Iron_Man_123

    Which of the following is not an example of ionizing radiati

    Homework Statement Homework Equations Between Radio Waves and Protons is where my confusion lies; Online I read that Radio waves are non ionizing but if that's the answer then how are protons ionizing? I mean it's no even included in the types of ionizing radiation here...
  10. Iron_Man_123

    How Does Charging Affect the Electric Field Inside a Metal Sphere?

    Does the answer change if the sphere is hollow?
  11. Iron_Man_123

    How Does Charging Affect the Electric Field Inside a Metal Sphere?

    The electric field inside an uncharged metal sphere is initially zero. If the sphere is the positively charged, the field at the center of the sphere will be...?
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