21.29 • A point charge is at the origin. With this point charge as thesource 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) atx = -1.10 m, y = 2.60 m? Express your results in terms of the unitvectors î and ĵ.21.31 •• A uniform line of charge with length 20.0 cm is along thex-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 chargedsphere exerts on the line of charge?

Answered: Image /qna-images/answer/27d73e10-c8a7-4539-8803-04d617108cf0.jpg

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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