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1. A spring is mounted from the ceiling. As a mass is attached, the spring stret

ID: 2099489 • Letter: 1

Question

1. A spring is mounted from the ceiling. As a mass is attached, the spring stretches 0.73 m. The spring is then stretched an additional 0.4 m and released. What will be the frequency of the resulting oscillation? Your answer should be given to the nearest hundredth of a Hertz.



2. A 721-g mass vibrates according to the equation x=0.4 cos(3.6 t), where x is in meters and t is in seconds. What is the period of the oscillation? Your answer should be in seconds and given to the nearest hundredth of a second.

Explanation / Answer

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