Find out mass of a block attached to a spring.
A block of unknown mass, m is brought into the configuration shown. It was measured that upon release the block shot upward the maximum distance of 2m. What is the mass of this block? The upper spring has a natural length of 1m, and lower spring a natural length of 0.5m.
![1532_spring.jpg](https://secure.secure.tutorsglobe.com/CMSImages/1532_spring.jpg)