A 72-Kg Mass Oscillates on a Horizontal Spring

question 35

Multiple Choice

A 7.2-kg mass oscillates on a horizontal spring.The position of the object is given by the relation (all units in MKS) .The system is then submerged into a vat of oil with a damping constant of 1.42 kg/s.How long will it take before the amplitude of oscillations becomes 0.314 m?

• A)1.01 s
• B)10.1 s
• C)11.7 s
• D)23.4 s
• E)The system does not oscillate,it is either over-damped or critically damped.

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