8. A spring has a period of 10 seconds, and a time constant of 30 seconds. Initi

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8. A spring has a period of 10 seconds, and a time constant of 30 seconds. Initially it has an amplitude of 100 cm. How long before its amplitude is only 50 cm? 25 cm? 9 What would be the period of a meter stick which has a mass of 40 gm, which is on a pivot at one end? Does the mass matter? [Hint, this is a physical pendulum. What is the moment of inertia?] 10. What would be the period of a meter stick which has a mass of 40 gm, which is on a pivot at one end? Does the mass matter? [Hint, this is a physical pendulum. What is the moment of inertia?]

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8. A spring has a period of 10 seconds, and a time constant of 30 seconds. Initi

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