Question: A mass m is attached to the end of a spring with spring constant k on a frictionless horizontal surface. The mass moves in circular

A mass m is attached to the end of a spring with spring constant k on a frictionless horizontal surface. The mass moves in circular motion of radius R and period T. Due to the centrifugal force, the spring stretches by a certain amount x from its equilibrium position. Derive a formula for x in terms of k, R and T. Check that x has the correct units.

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