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Author Question: One point charge +Q is placed at the center of a square, and a second point charge -Q is placed at ... (Read 94 times)

londonang

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on: Oct 11, 2019

Question 1

Two equally charged tiny spheres of mass 1.0 g are placed 2.0 cm apart. When released, they begin to accelerate away from each other at What is the magnitude of the charge on each sphere, assuming only that the electric force is present?  (k = 1/4πε0 = 9.0 × 109 N ∙ m2/C2)
◦ 75 nC
◦ 95 nC
◦ 120 nC
◦ 140 nC

Question 2

One point charge +Q is placed at the center of a square, and a second point charge -Q is placed at the upper-left corner of the square.  It is observed that an electrostatic force of magnitude 2.0 N acts on the positive charge at the center.  Now a third charge -Q is placed at the lower-left corner of the square, as shown in the figure. What is the magnitude of the net force that acts on the center charge now?



◦ 4.0 N
◦ 2.8 N
◦ 0.0 N
◦ 5.3 N
Physics ¦ Walker ¦ 5th Edition
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Marked as best answer by londonang on Oct 11, 2019

leahchrapun

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Reply #1 on: Oct 11, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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londonang

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Reply 2 on: Oct 11, 2019
:D TYSM

Joy Chen

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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