Two IDENTICAL springs are used as shown above.
The object on the right has a mass of 15.0 kg and the spring has an extension of 0.670 cm.
The spring on the left has an extension of 1.80 cm.
![Two IDENTICAL springs are used as shown above The object on the right has a mass of 150 kg and the spring has an extension of 0670 cm The spring on the left ha class=](https://us-static.z-dn.net/files/d9c/17594dfb62fbcc776d414c7efd97b555.png)