3. 0/2 points I Previous Answers SerPSET9 23.P.011.M My Notes Ask Your Teacher T

Question

3. 0/2 points I Previous Answers SerPSET9 23.P.011.M My Notes Ask Your Teacher Three point charges are arranged as shown in the figure below. Find the magnitude and direction of the electric force on the particle q#5.10 nC at the origin. (Let 12 0.255 m.) 13.77X magnitude Use Coulomb's law to find the force that each charge exerts on the charge at the origin and combine the forces to find the net force. N 4.4 Examine the diagram and determine which quadrant contains the angle of the net force.o counterclockwise from the +x axis direction 6.00 nC 9 0.100 m 3.00 nC

Explanation / Answer

X-Component of electric force

FX=-K|Q1||Q2|/r122 =-(9*109)(5.1*10-9)(6*10-9)/0.2552

Fx=-4.2353*10-6 N

Y-Component of electric force

FY=-K|Q1||Q3|/r132 =-(9*109)(5.1*10-9)(3*10-9)/0.12

FY=-1.377*10-5 N

a)

Magnitude

F=sqrt[Fx2+Fy2] =1.44*10-5 N

b)

Direction

o=tan-1(-1.377*10-5/-4.2353*10-6)

o=252.9o Counterclock wise from +X-axis

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