Question

A particle with charge −2 µC is located on the x-axis at the point −4 cm , and a second particle with charge −8 µC is placed on the x-axis at 6 cm . −10−8 −6 −4 −2 2 4 6 8 10 − 2 µ C − 8 µ C − 2 µ C x → (cm) What is the magnitude of the total electrostatic force on a third particle with charge −2 µC placed on the x-axis at −2 cm ? The Coulomb constant is 8.9875 × 109 N · m2 /C 2 . Answer in units of N.

Answer 1

-22IC -2RIC -EuC 409 - 2C 6cm Electric tield due to a point chauge (E)- KV (2 E2- (8-987sxIO Nl- -2c xic) E= I- 234 X 1o6 N/c E =.987s XIo N. xi .3X10 IC 02m) Electic biekd at -2cm 1s E2+E -33-t03 x10 e 2x16-33.o3 xNe -33-T03 X 67.yo6 N, to the ight (Fl 6. 406 N