Question: Longitudinal Waves on a spring. A long spring such as a SlinkyTM is often used to demonstrate longitudinal waves. (a) Show that if a spring

Longitudinal Waves on a spring. A long spring such as a SlinkyTM is often used to demonstrate longitudinal waves.
(a) Show that if a spring that obeys Hooke's law has mass m, length L, and force constant k', the speed of longitudinal waves on the spring is u= L√k1/m.
(b) Evaluate u for a spring with m = 0.250 kg, L = 2.00 m, and k1 = 1.50 N/m.

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