A long, horizontal wire is carrying a current I. A particle of mass m and charge q is fired horizontally at a speed vo. The

Question

A long, horizontal wire is carrying a current I. A particle of mass m and charge q is fired horizontally at a speed vo. The initial velocity of the particle is parallel to the wire, and its initial position is a distance r directly below the wire, as shown in (Figure 1). 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, T, μo, and the acceleration of gravity g. Determine at what initial speed Vo the particle will travel in a straight horizontal line. Review I Constants

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