The natural frequency of the spring mass system shown in

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The natural frequency of the spring mass system shown in the figure is closest to

1. 8Hz
2. 10Hz
3. 12 Hz
4. 14 Hz

Correct Option: B

k_equ = k₁ + k₂ = 5600 N / m

∴ f =	1	√k / m = 10 Hz
	2π