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A pendulum with a length of 10 meters has a period of 6.34 seconds. A. What is the period of a pendulum with a length of 90 meters? B. What is the period of a pendulum with a length of 160 meters?
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39 votes
39 votes
A pendulum with a length of 10 meters has a period of 6.34 seconds.

A. What is the period of a pendulum with a length of 90 meters?

B. What is the period of a pendulum with a length of 160 meters?

User Patrick Beardmore
by
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1 Answer

14 votes
14 votes

T = 2π√l/g


\tt (T_2)/(T_1)=\sqrt{(l_2)/(l_1) }


\tt (6.34)/(T_2)=\sqrt{(10)/(90) }\Rightarrow T_2=19.02


\tt (6.34)/(T_2)=\sqrt{(10)/(160) }\Rightarrow T_2=25.36

User Phillyd
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