Answer:
[tex]q = 0.107 \mu C[/tex]
Explanation:
As we know that net force is given by
[tex]F = ma[/tex]
here we have
m = 1.00 g = 0.001 kg
also we know that acceleration is given as
[tex]a = 256 m/s^2[/tex]
now force is given as
[tex]F = 0.001(256) = 0.256 N[/tex]
now by the formula of force we know that
[tex]F = \frac{kq_1q_2}{r^2}[/tex]
[tex]0.256 = \frac{(9\times 10^9)q^2}{(0.02)^2}[/tex]
now for solving charge we have
[tex]q = 0.107 \mu C[/tex]