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+) - 12 points SerCP 10 15. P. O28. Mill .` \My Notes +) Ask Your Teacher Three charges are at the corners of an equilateral triangle , as shown in

#11

Three charges are at the corners of an equilateral triangle, as shown in the figure below. Calculate the electric field at a point midway between the two charges on the x-axis. (Let q1 = 7.00 μC,

 q2 = 9.00 μC,

 and q3 = −3.00 μC.)

Three charged particles lie in the x y-coordinate plane at the vertices of an equilateral triangle with side length 0.500 m.

  • Positive charge q2 is at the origin.
  • Positive charge q1 is in the first quadrant, along a line 60.0°counterclockwise from the positive x-axis.
  • Negative charge q3 is at (0.500, 0).

Magnitude__________N/C

Direction_________° below the +x-axis


#12

Three identical charges (q = −7.2 μC)

 lie along a circle of radius 3.3 m at angles of 30°, 150°, and 270°, as shown in the figure below. What is the resultant electric field at the center of the circle?

Three negative point charges are located on the circumference of a circle of radius r centered on the origin of the x y-plane. Each point charge is labeled q. The charges are located at the following angular positions along the circumference.

  • 30° counterclockwise from the +x-axis
  • 150° counterclockwise from the +x-axis
  • 270° counterclockwise from the +x-axis

__________ N/Cnumber 11 and 12.png

number 11 and 12.png

+) - 12 points SerCP 10 15. P. O28. Mill .`
\My Notes +) Ask Your Teacher
Three charges are at the corners of an equilateral triangle , as shown in the figure below . Calculate the electric field at a point midway between the two charges on the* * - axis . ( Let 9 , = 7. 0 0 HC
92 = 9. 00 UC , and 93 = - 3. 00 HC. )
0.500 m
\60.0 0
( 1)
magnitude*
N / C
direction
. below the * x - axis
Need Help ?\
Read It
Master It
12 .
+ - 11 points SerCP 10 15 . P . 029. My Notes* + Ask Your Teacher
Three identical charges ( 4 = - 7 . 2 UC ) lie along a circle of radius 3 . 3 m at angles of 30' , 150' , and 270' , as shown in the figure below . What is the resultant electric field at the center of the circle ?
\ 150 0
270 04~|
- x
9
( i )
N / C
Need Help ?\
Read It\\

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