An Electron Moves with a Speed of 8

question 5

Multiple Choice

An electron moves with a speed of 8.0 × 10⁶ m/s along the +x-axis. It enters a region where there is a magnetic field of 2.5 T, directed at an angle of 60° to the +x-axis and lying in the x-y plane. Calculate the magnitude of the acceleration of the electron.

• A) 1.3 × 10¹⁸ m/s²
• B) 3.1 × 10¹⁸ m/s²
• C) 1.3 × 10^-18 m/s²
• D) 3.1 × 10^-18 m/s²
• E) 0 m/s²

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