If an object on a horizontal frictionless surface is attached to a spring, displ

Question

If an object on a horizontal frictionless surface is attached to a spring, displaced, and then released, it will oscillate. If it is displaced a distance 0.110 m from its equilibrium position and released with zero initial speed. Then after a time 0.805 s its displacement is found to be a distance 0.110 m on the opposite side, and it has passed the equilibrium position once during this interval. Find the amplitude. A = _________ m Find the period. T = __________ s Find the frequency. f = ___________ Hz

Explanation / Answer

Amplitdue = 0.11 m

Time period T = 2 * 0.805 s

                     = 1.61 s

frequency f = 1/T

                 = 1/(1.61)

                 = 0.621 Hz

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