a parallel plate capacitor is constructed of two horizontal 18cm nt/6136557 Ca S

Question

a parallel plate capacitor is constructed of two horizontal 18cm nt/6136557 Ca Search 171477 Forces in a Three-Charge System 1 of 16 Part A Coulomb's law for the magnitude of the force F between two particles with charges Q and Q separated by a distance d is What is the net force exerted by these two charges on a third charge g1 = 470 nC placed between gh and q2 at 1.135 m? Your answer may be positive or negative, depending on the direction of the force. Express your answer numerically in newtons to three significant figures. View Available Hints) where K L, and = 8.854 x 10-12 C2/N . m*) is the permittivity of free space Consider two point charges located on the x axis one charge, q--17 0 nC·is located at 1-1.665 m; the second charge 92 37.5 nC, is at the onigin(0 Force on = = 0.0000) Next >

Explanation / Answer

here

r13 = 1.665 - 1.135

= 0.53 m

r23 = 1.135 m

|Fnet| = F13 + F23

= k*q1*q3/r13^2 + k*q2*q3/r23^2

= 9*10^9*17*10^-9*47*10^-9/0.53^2 + 9*10^9*37.5*10^-9*47*10^-9/1.135^2

= 3.79*10^-5 N

the direction of force is towards -x axis

so,

Fnet = -3.79*10^-5 N

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