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Wave Demonstrator Set
Product Number: SB13636
The 4 ft. slinky spring with three times the normal length is ideal for demonstrating several fundamentals of wave motion. When the spring is extended to 30 feet, a lateral or longitudinal pulse can be observed in detail as it travels at the slower rate corresponding to low tension. By comparison, the longer and heavier 6 ft. helical spring demonstrates the effects of greater mass and of greater tension. Another interesting experiment is to join the two springs in line, stretch them, and observe the behavior of a pulse from either end as it travels through the joint.