21.29 • A point charge is at the origin. With this point charge as the source point, what is the unit vector f in the direction of the field point (a) at x = 0, y = -1.35 m; (b) at x = 12.0 cm, y = 12.0 cm; (c) at x = -1.10 m, y = 2.60 m? Express your results in terms of the unit vectors î and ĵ. %3D %3D %3D
21.29 • A point charge is at the origin. With this point charge as the source point, what is the unit vector f in the direction of the field point (a) at x = 0, y = -1.35 m; (b) at x = 12.0 cm, y = 12.0 cm; (c) at x = -1.10 m, y = 2.60 m? Express your results in terms of the unit vectors î and ĵ. %3D %3D %3D
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter23: Electric Forces
Section: Chapter Questions
Problem 54PQ
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Question
![21.29 • A point charge is at the origin. With this point charge as the
source point, what is the unit vector î in the direction of the field point
(a) at x = 0, y = -1.35 m; (b) at x = 12.0 cm, y = 12.0 cm; (c) at
x = -1.10 m, y = 2.60 m? Express your results in terms of the unit
vectors î and ĵ.
21.31 •• A uniform line of charge with length 20.0 cm is along the
x-axis, with its midpoint at x = 0. Its charge per length is +4.80 nC/m.
A small sphere with charge -2.00 µC is located at x = 0, y = 5.00 cm.
What are the magnitude and direction of the force that the charged
sphere exerts on the line of charge?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa728ed01-fbd1-4ab0-9c18-395ec4623666%2F27d73e10-c8a7-4539-8803-04d617108cf0%2Fli70bkn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:21.29 • A point charge is at the origin. With this point charge as the
source point, what is the unit vector î in the direction of the field point
(a) at x = 0, y = -1.35 m; (b) at x = 12.0 cm, y = 12.0 cm; (c) at
x = -1.10 m, y = 2.60 m? Express your results in terms of the unit
vectors î and ĵ.
21.31 •• A uniform line of charge with length 20.0 cm is along the
x-axis, with its midpoint at x = 0. Its charge per length is +4.80 nC/m.
A small sphere with charge -2.00 µC is located at x = 0, y = 5.00 cm.
What are the magnitude and direction of the force that the charged
sphere exerts on the line of charge?
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