Thus, the
magnitude of force is
|F| = 
41
0
2
2
πε
re
 = 8 987 × 109 Nm2/C2 × (1 6 ×10–19C)2 / (10–10m)2
        = 2 3 × 10–8 N
Using Newton’s second law of motion, F = ma, the acceleration
that an electron will undergo is
a = 2