College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Chapter 5, Problem 40PE
To consider the effect of wires hung on poles, we take data from Example 4.8, in which tensions in wires supporting a traffic light were calculated. The left wire made an angle 30.0° below the horizontal with the top of its pole and carried a tension of 108 N. The 12.0 m tall hollow aluminum pole is equivalent in stiffness to a 4.50 cm diameter solid cylinder. (a) How far is it bent to the side? (b) By how much is it compressed?
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No chatgpt pls
A rectangular current loop (a = 15.0 cm, b = 34.0 cm) is located a distance d = 10.0 cm near a long, straight wire that
carries a current (Iw) of 17.0 A (see the drawing). The current in the loop is IL = 21.0 A. Determine the magnitude of
the net magnetic force that acts on the loop.
Solve in N.
a
b
IL
Iw
Two long, straight wires are separated by distance, d = 22.0 cm. The wires carry currents of I1 = 7.50 A and I2 = 5.50 A
in opposite directions, as shown in the figure. Find the magnitude of the net magnetic field at point (B). Let r₁ = 12.0 cm,
r2 = 7.00 cm, and r3 = 13.0 cm.
Solve in T.
12
d
A
√3
Chapter 5 Solutions
College Physics
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