Suppose a mass-spring system exhibits damped harmonic motion, modeled by the function f (t) = –6e¬0.2t cos (rt). Here, tis measured in seconds, and the function is the displacement from equilibrium, measured in inches. Blank 1: What is the frequency of the motion? Blank 2: What is the period of the motion? Blank 3: After 25 seconds, how many oscillations will have been completed? Blank 4: Briefly explain the difference between simple harmonic motion and damped harmonic motion.

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