Recent content by everyall

  1. everyall

    Find v and x of electron in an electromagnetic wave

    Diff -cos(wt+phi) = wsin(wt+phi) Where this term come from
  2. everyall

    Find v and x of electron in an electromagnetic wave

    I try to understand physics to discover some new things at 42 year old with high school knowledge. Thanks
  3. everyall

    Find v and x of electron in an electromagnetic wave

    From text , i like to know where -eE/mw(cosphi) come ? Is it should be C instead after integrate sin(wt+phi)
  4. everyall

    Find v and x of electron in an electromagnetic wave

    I found dy/dx=dy/du*du/dx Does it mean pretend wt+phi =u ? Then what is the result after intregrate
  5. everyall

    Find v and x of electron in an electromagnetic wave

    I still don't know how to integrate sin(a+b)
  6. everyall

    Find v and x of electron in an electromagnetic wave

    I don't know this because it has 2 variable Which is plus inside sin function How to solve this
  7. everyall

    Find v and x of electron in an electromagnetic wave

    Do you mean ∫sin(t) = -cos(t)
  8. everyall

    Find v and x of electron in an electromagnetic wave

    Yes i like to know how to integrate (sin(ωt+φ))dt
  9. everyall

    Find v and x of electron in an electromagnetic wave

    When dv/dt= -qE/m(sin(ωt+φ)) Find v Then x By integrating