An electron is released from rest in a uniform electric field. If the electric field is 3.65 kN/C, at the end of 15 ns the electron's velocity will be approximately

Question

Quizplus · Accepted Answer

Explanation:The acceleration of the electron is given by:a = eE / mwhere e is the charge of the electron, E is the electric field, and m is the mass of the electron.Plugging in the given values, we get:a = (1.602 × 10^-19 C)(3.65 × 10^3 N/C) / (9.109 × 10^-31 kg)= 6.45 × 10^15 m/s^2The velocity of the electron after 15 ns is given by:v = atwhere t is the time.Plugging in the given values, we get:v = (6.45 × 10^15 m/s^2)(15 × 10^-9 s)= 9.675 × 10^6 m/sTherefore, the correct answer is A.

An Electron Is Released from Rest in a Uniform Electric