A spring scale has a length of 9 cm when loaded with a 200 g mass. The extension- mass graph for the spring is shown. The 200 g mass is replaced with a 100 g mass. what is the new length of the spring?​

A spring scale has a length of 9 cm when loaded with a 200 g mass The extension mass graph for the spring is shown The 200 g mass is replaced with a 100 g mass class=