Question

Two identica matchsticks have each been given ne abve cnarge. The sticks are position ed on un electrically insulating horizontal su ace us shown in Fig. 22.11.1 We assume the charge n each stick s dstnbuted uniform y alar g that stick's length Stit #1 n the figure as total charge i 2 n and stick #2 as total charge 2 25 nC. Boch sticks have le go 3.5 cm. Note: The electric field on the perpendicular bise to of a uniform y charged od wes derived in I teractive Exercises 22.9. For a d lying on thex axis with its center at the crgin, the ield is: Rod on x axis with center at origin, A) 2xeoyvI +4ield on perpendicular bisector-y axis Suck 2 Interactive Figure 22.11.1: Two matchsticks have negative charge distributed uniformly along their lengths. The origin of an xy coordinate system lies on the perpendicular bisectors of the two sticks. Both sticks have the same length Lr and both sticks have negative charge, but the sticks do not have the same amount of negative charge. Question1 what is the electrostatic field at the origin due to any stick #1 ? Enter a numcncal value (including sign] in the firstコOK beaw ard a unit-vector in the sccond כ00. NAC) the tolerance is +/-5% Attempts: of 5 used Question 2 What is the electrustetic field at the origin due to any stick #2? Enter a numerical value including sign in the first uox be ow ard a unit-vector in the second oux. the tolerance is +/-$% Attempts: 0 of 5 used Question3 What is the magnitude and direction of the net electric field at the origin due to both matchsticks? Enter the answers in the labeled boxes belo. Measure the ange from the +x direction. deg.)

Answer 1

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