What is the time in seconds?
![What is the time in seconds class=](https://us-static.z-dn.net/files/db3/e54bef1ad22323e92ab74803a91fe575.png)
Answer:
5/9 Hz
Explanation:
Period = 1.8 seconds to go through a full cycle
freq = 1/period = 1/ (1.8) = 5/9 Hz