Concept explainers
a.
To Find: The reason behind rotating rate reduced.
a.
Answer to Problem 53P
The value of
Hence, the rotating rate reduced.
Explanation of Solution
Given Information:
Rate of rotation,
Rate of rotation,
Concept used:
By the law of conservation of
Here,
Calculation:
For the constant value of angular momentum, here value of
So, the rotating rate was reduced.
Conclusion:
As
b.
To find: Change in moment of inertia.
b.
Answer to Problem 53P
Moment of inertia changed by a factor
Explanation of Solution
Given Information:
Rate of rotation
Rate of rotation
Concept used:
By the law of conservation of angular momentum
Here,
Calculation:
As,
So,
Here,
Conclusion: Moment of inertia is changed by a factor
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