Sigh More 7.6.3 Inverse Proportion
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Question:
If a pendulum with length 162 cm has a frequency of 1/20 Hz, find the length of a pendulum that has frequency 1/5 Hz, given that you know that the frequency varies inversely with the square root of the length. Enter only a number. Do NOT enter an equation. If the solution is not an integer, enter it as a decimal where the last digit is not zero and there is a zero before the decimal point for values less than 1. Your answer:
( Incorrect )
90 Correct Answer:
10.13 Explanation:
If a pendulum with length 162 cm has a frequency of 1/20 Hz, find the length of a pendulum that has frequency 1/5 Hz, given that you know that the frequency varies inversely with the square root of the length. Enter only a number. Do NOT enter an equation. If the solution is not an integer, enter it as a decimal where the last digit is not zero and there is a zero before the decimal point for values less than 1. Your answer:
( Incorrect )
90 Correct Answer:
10.13 Explanation:
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