1
Chapter 23 Homework Solutions
1.
SSM REASONING The voltage across the capacitor reaches its maximum instantaneous value when
the generator voltage reaches its maximum instantaneous value. The maximum value of the capaci tor
voltage first occurs one-four
PHYS 101: Solutions to Chapter 9 Home Work
1. REASONING AND SOLUTION
According to Equation 9.1, we have
Magnitude of torque = F
where F is the magnitude of the applied force and is the lever arm. For an axis passing through the cable car at
its center and
Physics 102 Homework Solutions: Ch 16
1.
SSM REASONING Since light behaves as a wave, its speed v, frequency f, and wavelength are related to
according to v = f (Equation 16.1). We can solve this equation for the frequency in terms of the speed and the
wa
Physics 102 Homework Solutions: Ch 17
5.
SSM REASONING The tones from the two speakers will produce destructive interference with the smallest
frequency when the path length difference at C is one-half of a wavelength. From Figure 17.7, we see that the pa
Physics 102: Chapter 18 Homework Solutions
1.
SSM REASONING AND SOLUTION The total charge of the electrons is
q = N(e) = (6.0 1013)(1.60 1019 C)
q = 9.6 106 C = 9.6 C
The net charge on the sphere is, therefore,
qnet = +8.0 C 9.6 C = 1.6 C
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3. REASONING
a
Physics 102 Chapter 19 Homework Solutions
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1.
REASONING When the electron moves from the ground to the cloud, the change in its electric potential
energy is (EPE) = EPEcloud EPEground. (Remember that the change in any quantity is its final value
minus it
Physics 102, Chapter 20 Homework Solutions
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1. REASONING The current I is defined in Equation 20.1 as the amount of charge q per unit of time t
that flows in a wire. Therefore, the amount of charge is the product of the current and the time interval. The
Chapter 21 Homework Solutions
1.
SSM REASONING AND SOLUTION The magnitude of the force can be determined using Equation
21.1, F = q vB sin where is the angle between the velocity and the magnetic field. The direction of the
force is determined by using Ri
1
Chapter 22 Homework Solutions
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3. REASONING AND SOLUTION The motional emf generated by a conductor moving perpendicular to
a magnetic field is given by Equation 22.1 as = vBL, where v and L are the speed and length,
respectively, of the conductor, and