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What should you do to the length of the string of a simple
Chapter 14, Problem 12DQ(choose chapter or problem)
QUESTION:
What should you do to the length of the string of a simple pendulum to (a) double its frequency; (b) double its period; (c) double its angular frequency?
Questions & Answers
QUESTION:
What should you do to the length of the string of a simple pendulum to (a) double its frequency; (b) double its period; (c) double its angular frequency?
ANSWER:Solution 12DQ Introduction We have to discuss how to change the length of a simple pendulum to achieve the given condition. Step 1 (a) The frequency of a simple pendulum is given by f = 2 L Hence we can see that the frequency is inversely proportional to the square root of the length of the pendulum. Hence to double the frequency we have to decrease the length by four times.