(b) An object of mass m = 0.25 kg oscillates in a fluid at the end of a vertic spring of spring constant k= 85 N/m, the effect of the fluid resistance is goven by the damping constant b= 0.07kg/s. (i) Find the period of the damped oscillation. (ii) How long does it take for the amplitude of the damped oscillation to drop halfof its initial value?

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Chapter15: Oscillations
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(b) An object of mass m = 0.25 kg oscillates in a fluid at the end of a vertical
spring of spring constant k=85 N/m, the effect of the fluid resistance is govemed
by the damping constant b= 0.07kg/s.
(i) Find the period of the damped oscillation.
(ii) How long does it take for the amplitude of the damped oscillation to drop to
halfof its initial value?
Transcribed Image Text:(b) An object of mass m = 0.25 kg oscillates in a fluid at the end of a vertical spring of spring constant k=85 N/m, the effect of the fluid resistance is govemed by the damping constant b= 0.07kg/s. (i) Find the period of the damped oscillation. (ii) How long does it take for the amplitude of the damped oscillation to drop to halfof its initial value?
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