Question

ufpe duas cargas elétricas -q e +q são mantidas nos pontos a e b, que distam 82 cm

Answer 1

d = 82cm = 0,82m
q = 1,6.10^-19

F = k.|-q.+q|/d^2
F = 9.10^9. |1,6.10^-19.1,6.10^-19|/0,82^2
F = 9.10^9.2,56.10^-38/0,6724
F = 23,04.10^-29/6,724.10^-1
F = 3,42.10^-28