Use the Work-Energy Theorem to Find the Force Required to Accelerate

Multiple Choice

Use the work-energy theorem to find the force required to accelerate an electron (m = 9.11 × 10^-31 kg) moving along the x axis from 4.00 × 10⁶ m/s to 1.60 × 10⁷ m/s in a distance of 0.0125 m.

A) 8.75 × 10^-15 N
B) 5.47 × 10^-22 N
C) 8.20 × 10^-17 N
D) 1.64 × 10^-14 N
E) 3.56 × 10^-19 N