Two charges +Q=+5.32μC+Q=+5.32μC and −Q=−5.32μC−Q=−5.32μC are separated by a distance a=9.81 cm.

Sunday, 12 August 2018

4:01 PM


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Two charges +Q = +5.32"C and —Q = —5.32gC are separated by a distance a — 9.81 cm. A third charge q 
triangle as shown in the figure. use vector notation to answer these questions. 
+2.21"C' is placed above these ü'0 charges to torm an equilateral 
Q 
600 
a 
2 
a 
a 
2 
—Q 
Figure 1. Three charges, +q, +Q and —Q are arranged in an equilateral triangle with side length a. 
part 1) 
What force does +Q exert on +q? 
part 2) 
What is the net torce on the +q charge? 
part 3) 
The +q charge is now removed trom the top of the triangle. What is the electric field at the top ot the triangle now? 
j NIC 


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