Recent content by warnexus

  1. W

    How to normalize Schrodinger equation

    I know I stated -a<= x <= a. But x can be positive or negative. How did you know to choose x to be negative? How is cos(2θ)=1−2sin2(θ)? I don't remember this being a trig identity. I am weak in math.
  2. W

    How to normalize Schrodinger equation

    How did you know the integral is zero. Why is psi an odd function?
  3. W

    How to normalize Schrodinger equation

    Homework Statement The solution to the Schrodinger equation for a particular potential is psi = 0 for absolute x > a and psi = Asin(pi*x/a) for -a <= x <= a, where A and a are constants. In terms of a, what value of A is required to normalize psi? Homework Equations psi = 0 for absolute...
  4. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    Yes, Vectors was covered... Oh I see now! Kinematic Equations! Now I know.
  5. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    velocity would need to be in the y direction
  6. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    (charge)(velocity sub_z)(magnetic field) = (mass of an electron) (acceleration sub_z)
  7. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    is that because the direction of velocity is perpendicular to the magnetic field that's why there is velocity build-up? i will try to write one out. (charge) (velocity)(magnetic field) = (mass of an electron) (acceleration_sub z)
  8. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    well if we start with the z axis, the z axis is the axis that is towards you. there is no velocity in the z, so its zero charge * velocity * magnetic field = m ( acceleration) 0 = m(acceleration) mass * acceleration is also zero
  9. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    he did teach us how to convert units super fast in the first physics lecture. he really want us to convert units in some assigned problems. but it's for practice which I totally needed but am getting better at. for this one it would be : 90 Gauss * (1 Tesla/10,000 Gauss) = .009 Tesla. okay now...
  10. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    oh i see. interesting. btw how come magnetic field is given in Gauss, the previous questions that involved with magnetic field were given in Tesla? Wouldn't Tesla have to be used?
  11. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    i had two semester of calculus: differential and integral. taking 3rd and last semester of calculus in the spring
  12. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    oh I see. charge* velocity* magnetic field = mass * (d^2 * x)/(d*t^2) may you explain how you got acceleration to be d^2 * x)/(d*t^2). I went through the chapter called amperes law where this question was associated with and don't see the equation like that of (d^2 * x)/(d*t^2) d as in...
  13. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    F_x is force in the x or force sub x(probably should have done that) you mean like this: F_subx = m* a.. F_subz = m* a..
  14. W

    Calculating Magnetic Force on Charged Particle in a Magnetic Field

    magnetic force perpendicular to the magnetic field. the y -axis is perpendicular!
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