Question

Two point masses of 3.0 kg and 1.0 kg are attached to opposite ends of a horizontal spring whose spring constant is 300 Nm^–1 as shown in fig. The natural vibration frequency of the system is of the order of :

• A. 4 Hz
• B. 3 Hz
• C. 2 Hz
• D. 1 Hz

Answer 1

Answer: (B)

3 Hz

Answer 2

T = 2π$\sqrt{\frac{\mu}{k}}$ ; μ = $\frac{m_{1}m_{2}}{m_{1} + m_{2}}$