Concept explainers
(a)
The average
(a)
Answer to Problem 60PQ
The average angular velocity of the pin wheel if it rotates from
Explanation of Solution
Given that the pin wheel rotates from
Write the expression for the average angular velocity of the pin wheel.
Here,
Write the expression for the angular displacement of the pin wheel.
Here,
Use equation (II) in (I).
Conclusion:
Substitute
Therefore, the average angular velocity of the pin wheel if it rotates from
(b)
The average angular velocity of the pin wheel if it rotates from
(b)
Answer to Problem 60PQ
The average angular velocity of the pin wheel if it rotates from
Explanation of Solution
Given that the pin wheel rotates from
Equation (III) gives the average angular velocity of the pin wheel.
Conclusion:
Substitute
Therefore, the average angular velocity of the pin wheel if it rotates from
(c)
The average angular velocity of the pin wheel if it rotates from
(c)
Answer to Problem 60PQ
The average angular velocity of the pin wheel if it rotates from
Explanation of Solution
Given that the pin wheel rotates from
Equation (III) gives the average angular velocity of the pin wheel.
Conclusion:
Substitute
Since the direction in which the pin wheel rotates is not mentioned, the net displacement corresponding to
Therefore, the average angular velocity of the pin wheel if it rotates from
(d)
The average angular velocity of the pin wheel if it rotates from
(d)
Answer to Problem 60PQ
The average angular velocity of the pin wheel if it rotates from
Explanation of Solution
Given that the pin wheel from
Equation (III) gives the average angular velocity of the pin wheel.
Equation (I) gives the average angular velocity of the pin wheel.
Conclusion:
During one revolution, the pin wheel covers
Therefore, the average angular velocity of the pin wheel if it rotates from
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Chapter 12 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
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