wi

Popular questions and responses by wi
  1. electricity magnetism physics

    A proton is release from rest at the origin in a uniform electric field in the positive x direction with magnitude 850N/C. What is the change in electric potential energy when the proton travels to x = 2.50m

    asked on October 28, 2013
  2. Social studies

    Exprain ways of entering into marriage like Asiatic celebration

    asked on May 11, 2016
  3. how many solutions are real?

    hi, I am stuck on this question. y=x^2+4x and y^2= 25x^2+20x+3 how many of the solutions are real? and how many of the real roots are positive and how many are negative? thank you for any suggestions I suggest you solve for the roots. y=x(x+4) At y=0, what

    asked on May 21, 2007
  4. how to determine the vertices of a hyperbola?

    y^2=25x^2+20x+3 anyone knows which way does it open?? and the location of its vertices??

    asked on May 21, 2007