A long, horizontal wire is carrying a current I. A particle of mass m and charge q is tired horizontally at a speed 00. The initial velocity of the particle is parallel to the wire, and its initial position is a distance 1' directly below the wire, as shown in (gw). What initial speed must the particle have for it to travel in a straight line? Do not ignore gravity. Express your answer in terms of I, m, q, 1', p0, and the acceleration of gravity 9. v Part I Determine at what initial speed 110 the particle will travel in a straight horizontal line. I Review | Constants Express your answer in terms of some, all, or none of the variables m, q, 11.3, I, r, and the constants g, pg, and 11'. D View Available Hint(s) .Az'b O-l