234k views
2 votes
Two unknown charged particles are placed a distance of (4.0x10^0) m apart and experience a force of (6.400x10^0) N. If each charge is the same, what is the magnitude of each charge?

User Remvee
by
6.2k points

1 Answer

4 votes
F=kq1q2/r^2

6.40N=k(2q)/4.00^2m

(2)(102.4N*m^2/8.99*10^9N*m^2/C^2)=q

q=2.28*10^-8 C or 22.8nC
User Matthew Harrison
by
6.1k points