A 20 Kg Mass Hangs on a Spring with a 0

question 9

Multiple Choice

A 2.0 kg mass hangs on a spring with a 0.5 newton/meter force constant and its motion is not damped. If the system is subjected to an external variable-frequency vibration described as newtons, at what frequency, , will the external vibration and the spring system be in resonance?

• A) 0.25 s^-1
• B) 0.50 s^-1
• C) 4.00 s^-1
• D) 2.00 s^-1

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