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=