# wi

Popular questions and responses by wi-
## 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* -
## Social studies

Exprain ways of entering into marriage like Asiatic celebration

*asked on May 11, 2016* -
## 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* -
## 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*