A 1 kg mass is suspended by a spring having a stiffness of 0.4 N/mm. Determine the natural frequency. A 20 rad/sec B 30 rad/sec C 20 Hz D 30 Hz

A 1 kg mass is suspended by a spring having a stiffness of 0.4 N/mm.
Determine the natural frequency.
A 20 rad/sec
B 30 rad/sec
C 20 Hz
D 30 Hz
by

1 Answer

Answer :

B 30 rad/sec
by

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