Note: Use principles of physics to solvethe problem and then verify your answer

Question

Note: Use principles of physics to solvethe problem and then verify your answer using the simulation. (a) Set the sliders so the two charges havenon-zero values of different magnitude. (i) Which charge experiences thelarger-magnitude force?
The charge with the largermagnitude.
Thecharge with the smaller magnitude.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
None ofthe above -- the charges experience forces of equalmagnitude.

(ii) If you reverse the sign of charge 1, and reverse the sign ofcharge 2, what happens to the directions of the forces experiencedby the two charges?
Nothing
Theforces reverse direction.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
(b) Now set charge 1 to +1 C and charge 2 to +4C. At what location on the x-axis a finitedistance from the charges is the net electric field equal tozero?
3 m

(c) Now set charge 1 to +1 C and charge 2 to -4C. At what location on the x-axis a finitedistance from the charges is the net electric field equal tozero?
4 m
below is the webassign to view the slimulation
http://www.webassign.net/hrw8/sims/sim29/sim29.html Note: Use principles of physics to solvethe problem and then verify your answer using the simulation. (a) Set the sliders so the two charges havenon-zero values of different magnitude. (i) Which charge experiences thelarger-magnitude force?
The charge with the largermagnitude.
Thecharge with the smaller magnitude.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
None ofthe above -- the charges experience forces of equalmagnitude.

(ii) If you reverse the sign of charge 1, and reverse the sign ofcharge 2, what happens to the directions of the forces experiencedby the two charges?
Nothing
Theforces reverse direction.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
(b) Now set charge 1 to +1 C and charge 2 to +4C. At what location on the x-axis a finitedistance from the charges is the net electric field equal tozero?
3 m

(c) Now set charge 1 to +1 C and charge 2 to -4C. At what location on the x-axis a finitedistance from the charges is the net electric field equal tozero?
4 m
(a) Set the sliders so the two charges havenon-zero values of different magnitude. (i) Which charge experiences thelarger-magnitude force?
The charge with the largermagnitude.
Thecharge with the smaller magnitude.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
None ofthe above -- the charges experience forces of equalmagnitude.

(ii) If you reverse the sign of charge 1, and reverse the sign ofcharge 2, what happens to the directions of the forces experiencedby the two charges?
Nothing
Theforces reverse direction.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
(b) Now set charge 1 to +1 C and charge 2 to +4C. At what location on the x-axis a finitedistance from the charges is the net electric field equal tozero?
3 m

(c) Now set charge 1 to +1 C and charge 2 to -4C. At what location on the x-axis a finitedistance from the charges is the net electric field equal tozero?
4 m
(i) Which charge experiences thelarger-magnitude force?
The charge with the largermagnitude.
Thecharge with the smaller magnitude.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.
None ofthe above -- the charges experience forces of equalmagnitude.

(ii) If you reverse the sign of charge 1, and reverse the sign ofcharge 2, what happens to the directions of the forces experiencedby the two charges?
Nothing
Theforces reverse direction.
It couldbe either of the above -- it depends whether the signs of the twocharges are the same or opposite.

Explanation / Answer

a) i) None of the above -- thecharges experience forces of equal magnitude. ii) Nothing b) -0.167 c) -1.5

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