Imagine that you are swinging back and forth a chain with a locket on the end. Assuming that you are on Earth so that gravity is constant at 9.81 meters/second², and you know that the chain is 43 centimeters long, what is the period of this simple pendulum?

A. 13 seconds

B. 1.3 seconds

C. 3.5 seconds

D. 0.76 seconds

Question

Imagine that you are swinging back and forth a chain with a locket on the end. Assuming that you are on Earth so that gravity is constant at 9.81 meters/second², and you know that the chain is 43 centimeters long, what is the period of this simple pendulum?

A. 13 seconds 

B. 1.3 seconds  

C. 3.5 seconds 

D. 0.76 seconds

souvik · Answer

$$T=2\pi \sqrt{L/g}$$

theeric · Answer

http://hyperphysics.phy-astr.gsu.edu/hbase/pend.html

theeric · Answer

That link backs up souvik's response. It might also help you find other information.

anonymous · Answer

Thank you both :) @theEric that link was very helpful Grazie

theeric · Answer

You're welcome! And I guess that equation only works for a "simple pendulum."

souvik · Answer

any problem? @SNIIX18

anonymous · Answer

yahh i cant wrap my finger around this problem its kind of difficult

souvik · Answer

this question?

anonymous · Answer

yes it's kind of difficult for me

souvik · Answer

what happened?

anonymous · Answer

i just dont understand

souvik · Answer

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