Question 1017351
uC is 1 * 10^-6 Coulombs
:
3.5 uC = 3.5 * 10^-6 Coulombs = Q
:
3.5 * 10^7 = K * Q/(0.09)
:
(9 * 10^-2)(3.5 * 10^7) = K * Q
:
31.5 * 10^5 = K * (3.5 * 10^-6)
:
K = (31.5 * 10^5) / (3.5 * 10^-6)
:
K = 9 * 10^11