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As your hand moves back and forth to generate longitudinal pulses in a spiral spring, your hand completes 2.99 back-and-forth cycles every.?

As your hand moves back and forth to generate longitudinal pulses in a spiral spring, your

hand completes 2.99 back-and-forth cycles every 7.88 s. The velocity of the pulse in the

spring is 1.49 cm/s.

What is the wavelength?

Answer in units of m.

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