# seconds pendulum

> pendulum whose period is precisely two seconds

**Wikidata**: [Q354669](https://www.wikidata.org/wiki/Q354669)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Seconds_pendulum)  
**Source**: https://4ort.xyz/entity/seconds-pendulum


## References

1. Freebase Data Dumps. 2013