Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
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Chapter 19, Problem 24PCE
Suppose the charge q2 in Figure 19-38 can be moved left or right along the line connecting the charges q1 and q3. Given that q = +12 μC, find the distance from q1 where q2 experiences a net electrostatic force of zero. (The charges q1 and q3 are separated by a fixed distance of 32 cm.)
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In the figure four particles form a square with edge length a = 3.04 x 102 m. The charges are 91 = 94= 3.48 x 10-15 C and q2 = q3 = q. (a)
What is q if the net electrostatic force on particle 1 is zero? (b) Is there any value of q that makes the net electrostatic force on each of
the four particles zero?
a
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a) Number
i
1.23e-15
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No.
A point charge Q is placed on the x axis at the origin. An identical point charge is placed on the x axis at x = -1.0 m and another at x = +1.0 m. If Q = 20 μC, what is the magnitude of the electrostatic force on the charge at x = +1.0 m?
Two point charges are fixed on the y axis: a negative point charge q1 = -32 µC at y₁ = +0.21 m and a positive point charge 92 at y2 =
+0.38 m. A third point charge q = +8.2 µC is fixed at the origin. The net electrostatic force exerted on the charge q by the other two
charges has a magnitude of 28 N and points in the +y direction. Determine the magnitude of 92.
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Chapter 19 Solutions
Physics (5th Edition)
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