3011 Set of 3 elastic strings

To visualize the propagation of longitudinal and transversal impulses and their reflection and consequent creation of stationary waves.
This set includes:
1 elastic string Ø 4 mm, static length: 3 m, maximum extension length: 6 m.
1 coil spring Ø 10 mm, static length: 50 cm, maximum extension length: 5 m.
1 coil spring Ø 17 mm, static length: 50 cm, maximum extension length: 12 m.