University Physics Volume 2
18th Edition
ISBN: 9781938168161
Author: OpenStax
Publisher: OpenStax
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Textbook Question
Chapter 5, Problem 53P
Point charges q1=50μC and q2=−25μC are placed 1.0 m apart. What is the force on a third charge q3=20μC placed midway between q1 and q2 ?
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In Canada, the Earth has B = 0.5 mŢ, pointing north, 70.0°
below the horizontal.
a) Find the magnetic force on an oxygen ion (O2)
moving due east at 250 m/s
b) Compare the |FB| to |FE| due to Earth's fair-
weather electric field (150 V/m downward).
Four charges, qa, qb, qa, and qd are fixed at the corners of a square. A charge q that is free to move located at the exact center of
the square.
Classify the scenarios described according to the force that
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that q is a positive charge. Do not assume that the fixed
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such an equality.
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Force is zero
Force is to the left
Force is to the right
Force is undetermined
Charge qi = -q is located at position (0, d). Charge
q = −2q₁ is located at position (d,0). Charge q3 =
located at position (2d, 2d).
5qi is
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Determine the net electric field Ĕ net at the origin.
Enter your expression using ij unit vector notation in terms of
the given quantities, the permittivity of free space €0, and
exact rational and irrational numbers.
d
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Chapter 5 Solutions
University Physics Volume 2
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