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 10 A. Determine the magnitude of the acceleration of the electron the instant it leaves the electron gun.

A) 6.2 * 10¹² m/s²
B) 7.9 * 10¹² m/s²
C) 8.2 * 10¹² m/s²
D) 8.8 * 10¹² m/s²