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A slinky has a mass of 0.40kg and when stretched, has a length of 2.2m. Sophia...

A slinky has a mass of 0.40kg and when stretched, has a length of 2.2m. Sophia shakes the slinky up and down 8 times per second and the 4th harmonic standing waves forms on the slinky. a) How fast does the wave travel on the slinky? b) How does a standing wave occur? Explain in words why it happens and why it only happens at certain frequencies. c) How much force do the people holding the slinky exert on the slinky coils? (What is the tension in the slinky?)

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