A Lightly Damped Harmonic Oscillator, with a Damping Force Proportional

question 2

Multiple Choice

A lightly damped harmonic oscillator, with a damping force proportional to its speed, is oscillating with an amplitude of 0.500 cm at time t = 0. When t = 8.20 s, the amplitude has died down to 0.400 cm. At what value of t will the oscillations have an amplitude of 0.250 cm?

• A) 18.5 s
• B) 20.5 s
• C) 16.5 s
• D) 25.5 s
• E) 5.13 s

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