An electron has an initial speed of

2.24 × 10^5 m/s.
If it undergoes an acceleration of
2.2 × 10^14 m/s^2, how long will it take to reach a speed of 5.37 × 10^5 m/s

1 answer

V = Vo + a*t
t = (V-Vo)/a =
t = (5.37*10^5-2.24*10^5)/2.2*10^14 =
3.13*10^5/2.2*10^14 = 1.42*10^-9 s.