An Electron Moves with a Speed of 8

question 52

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 xy-plane.Calculate the magnitude of the acceleration of the electron.(e = 1.60 × 10^-19 C,m_e1 = 9.11 × 10^-31 kg)

• A)1.3 × 10¹⁸ m/s²
• B)3.0 × 10¹⁸ m/s²
• C)1.3 × 10^-18 m/s²
• D)3.0 × 10^-18 m/s²
• E)0 m/s²

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