An Oscillator Is Subjected to a Damping Force That Is

question 31

Multiple Choice

An oscillator is subjected to a damping force that is proportional to its velocity.A sinusoidal force is applied to it.After a long time:

• A)its amplitude is an increasing function of time
• B)its amplitude is a decreasing function of time
• C)its amplitude is constant
• D)its amplitude is a decreasing function of time only if the damping constant is large
• E)its amplitude increases over some portions of a cycle and decreases over other portions

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A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the air and absorbed by plants in photosynthesis.

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