Concept explainers
a.
Find the length of the pendulum when the period is at
a.
Answer to Problem 21PPS
The length of the pendulum arm is
Explanation of Solution
Given:
It is given in the question that the function is
Concept Used:
In this, use the concept of putting the given value in the function and get the answer.
Calculation:
Here, the function is
Put ,
Conclusion:
The length of the pendulum is
b.
Explain whether the length of the pendulum increase or decrease while increasing its period.
b.
Answer to Problem 21PPS
The length is increasing then time is squared or doubled.
Explanation of Solution
Given:
It is given in the question that the function is
Here, from the function it is seen that t is directly proportional to the length l as if length is increasing then time is squared.
The relations hold
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