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Concept explainers
(a)
The magnitude and direction of acceleration of a charged particle in Figure 19.33 if
(a)
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Answer to Problem 5E
Both magnitude and direction of acceleration is zero when
Explanation of Solution
Moving electric charges experience forces near a magnetic field while a charge at rest experience no such forces.
Write the expression to find the magnetic force experiencing on a moving charge.
Here,
From Newton’s second law of motion,
Here,
From equation (II) magnitude of acceleration of the particle can be deducted as,
Substitute equation (III) in (I) to find the acceleration of the particle.
Conclusion:
If
Substitute
Therefore, both magnitude and direction of acceleration is zero when
(b)
The magnitude and direction of acceleration of a charged particle in Figure 19.33 if
(b)
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Answer to Problem 5E
Both magnitude and direction of acceleration is zero when
Explanation of Solution
Equation (IV) in part (a) provides the magnitude and direction of acceleration of the particle. If
Conclusion:
Substitute
Therefore, both magnitude and direction of acceleration is zero when
(c)
The magnitude and direction of acceleration of a charged particle in Figure 19.33 if
(c)
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Answer to Problem 5E
The magnitude of the force is
Explanation of Solution
Equation (IV) in part a provides the magnitude and direction of acceleration of the particle. If
Conclusion:
Substitute
Use right hand rule to find direction of acceleration. Direction of acceleration will be same as that of the force. Since
Therefore, magnitude of the force is
(d)
The magnitude and direction of acceleration of a charged particle in Figure 19.33 if
(d)
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Answer to Problem 5E
The magnitude of the force is
Explanation of Solution
Equation (IV) in part (a) provides the magnitude and direction of acceleration of the particle. If
Conclusion:
Substitute
Here,
Use right hand rule to find direction of acceleration. Direction of acceleration will be same as that of the force. Since
Therefore, the magnitude the force is
(e)
The magnitude and direction of acceleration of a charged particle in Figure 19.33 if
(e)
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Answer to Problem 5E
The magnitude of the force is
Explanation of Solution
Equation (IV) in part (a) provides the magnitude and direction of acceleration of the particle. If
Conclusion:
Substitute
Use right hand rule to find direction of acceleration. Direction of acceleration will be same as that of force. Since
Therefore, the magnitude of the force is
(f)
The magnitude and direction of acceleration of a charged particle in Figure 19.33 if
(f)
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Answer to Problem 5E
The magnitude of the force is
Explanation of Solution
Equation (IV) in part (a) provides the magnitude and direction of acceleration of the particle. If
Conclusion:
Substitute
Use right hand rule to find direction of acceleration. Direction of acceleration will be same as that of force. Since
Therefore, the magnitude of the force is
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Chapter 19 Solutions
General Physics, 2nd Edition
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