Question: A tennis racket can be treated as a spring. The displacement of the spring (what we commonly call x) is the displacement of the strings

A tennis racket can be treated as a spring. The displacement of the spring (what we commonly call x) is the displacement of the strings at the center of the racket. Estimate the spring constant of this spring. Assume a typical tennis ball has a mass of about 57 g and a speed of 50 m/s when it leaves the racket.

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