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Question 1 A point charge located at the origin generates an electric field that has the value ( vec{E}=(730 . mathrm{N} / mathrm{C}) hat{i}+(390 . mathrm{N} / mathrm{C}) hat{j} ) at the point ( (x, y)=(6.50 mathrm{~cm}, 3.30 mathrm{~cm}) ). What is the value of the charge? ( 0.489 mathrm{nC} ) ( 6.71 mathrm{nC} ) ( 0.231 mathrm{nC} ) ( 0.432 mathrm{nC} ) Question 2 The charges in the figure above both have a magnitude of ( 8.40 mathrm{nc} ), and the distance ( d ) is ( 8.10 mathrm{~cm} ). What is the magnitude of the electric field at the dot? ( 1.36 mathrm{E}+04 mathrm{~N} / mathrm{C} ) ( 1.46 mathrm{E}+04 mathrm{~N} / mathrm{C} ) ( 1.27 mathrm{E}+04 mathrm{~N} / mathrm{C} ) ( 1.38 mathrm{E}+04 mathrm{~N} / mathrm{C} ) Question 3 In the figure above, charge ( mathrm{A} ) is ( -3.30 mathrm{nC} ), charge ( mathrm{B} ) is ( 6.60 mathrm{nC} ), and charge ( mathrm{C} ) is ( 3.30 mathrm{nC} ). If ( x=4.20 mathrm{~cm} ) and ( y=8.40 mathrm{~cm} ), what is the electric field at the dot? ( 1.62 imes 10^{4} mathrm{~N} / mathrm{C}, 19.4^{circ} ) clockwise from the positive ( x )-axis ( 2.16 imes 10^{4} mathrm{~N} / mathrm{C}, 38.9^{circ} ) clockwise from the positive ( x )-axis ( 2.16 imes 10^{4} mathrm{~N} / mathrm{C}, 19.4^{circ} ) counter-clockwise from the positive ( x )-axis ( 1.62 imes 10^{4} mathrm{~N} / mathrm{C}, 38.9^{circ} ) clockwise from the positive ( x )-axis

          Question 1
A point charge located at the origin generates an electric field that has the value ( vec{E}=(730 . mathrm{N} / mathrm{C}) hat{i}+(390 . mathrm{N} / mathrm{C}) hat{j} ) at the point ( (x, y)=(6.50 mathrm{~cm}, 3.30 mathrm{~cm}) ). What is the value of the charge?
( 0.489 mathrm{nC} )
( 6.71 mathrm{nC} )
( 0.231 mathrm{nC} )
( 0.432 mathrm{nC} )
Question 2
The charges in the figure above both have a magnitude of ( 8.40 mathrm{nc} ), and the distance ( d ) is ( 8.10 mathrm{~cm} ). What is the magnitude of the electric field at the dot?
( 1.36 mathrm{E}+04 mathrm{~N} / mathrm{C} )
( 1.46 mathrm{E}+04 mathrm{~N} / mathrm{C} )
( 1.27 mathrm{E}+04 mathrm{~N} / mathrm{C} )
( 1.38 mathrm{E}+04 mathrm{~N} / mathrm{C} )
Question 3
In the figure above, charge ( mathrm{A} ) is ( -3.30 mathrm{nC} ), charge ( mathrm{B} ) is ( 6.60 mathrm{nC} ), and charge ( mathrm{C} ) is ( 3.30 mathrm{nC} ). If ( x=4.20 mathrm{~cm} ) and ( y=8.40 mathrm{~cm} ), what is the electric field at the dot?
( 1.62 	imes 10^{4} mathrm{~N} / mathrm{C}, 19.4^{circ} ) clockwise from the positive ( x )-axis
( 2.16 	imes 10^{4} mathrm{~N} / mathrm{C}, 38.9^{circ} ) clockwise from the positive ( x )-axis
( 2.16 	imes 10^{4} mathrm{~N} / mathrm{C}, 19.4^{circ} ) counter-clockwise from the positive ( x )-axis
( 1.62 	imes 10^{4} mathrm{~N} / mathrm{C}, 38.9^{circ} ) clockwise from the positive ( x )-axis

Question 1
A point charge located at the origin generates an electric field that has the value ( vecE=(730 . mathrmN / mathrmC) hati+(390 . mathrmN / mathrmC) hatj ) at the point ( (x, y)=(6.50 mathrm cm, 3.30 mathrm cm) ). What is the value of the charge?
( 0.489 mathrmnC )
( 6.71 mathrmnC )
( 0.231 mathrmnC )
( 0.432 mathrmnC )
Question 2
The charges in the figure above both have a magnitude of ( 8.40 mathrmnc ), and the distance ( d ) is ( 8.10 mathrm cm ). What is the magnitude of the electric field at the dot?
( 1.36 mathrmE+04 mathrm N / mathrmC )
( 1.46 mathrmE+04 mathrm N / mathrmC )
( 1.27 mathrmE+04 mathrm N / mathrmC )
( 1.38 mathrmE+04 mathrm N / mathrmC )
Question 3
In the figure above, charge ( mathrmA ) is ( -3.30 mathrmnC ), charge ( mathrmB ) is ( 6.60 mathrmnC ), and charge ( mathrmC ) is ( 3.30 mathrmnC ). If ( x=4.20 mathrm cm ) and ( y=8.40 mathrm cm ), what is the electric field at the dot?
( 1.62 imes 10^4 mathrm N / mathrmC, 19.4^circ ) clockwise from the positive ( x )-axis
( 2.16 imes 10^4 mathrm N / mathrmC, 38.9^circ ) clockwise from the positive ( x )-axis
( 2.16 imes 10^4 mathrm N / mathrmC, 19.4^circ ) counter-clockwise from the positive ( x )-axis
( 1.62 imes 10^4 mathrm N / mathrmC, 38.9^circ ) clockwise from the positive ( x )-axis

Added by Roni J.

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