An Electron Is Shot from an Electron Gun with a Speed

Multiple Choice

An electron is shot from an electron gun with a speed of 5.0 * 10⁵ m/s parallel to and a distance of 2.0 cm above a long straight wire carrying a current of 10A. Determine the magnitude of the acceleration of the electron the instant it leaves the electron gun.

A) 8.0 * 10^-18 N
B) 5.7 * 10^-18 N
C) 7.2 * 10^-18 N
D) 9.3 * 10^-18 N