The natural frequency (in Hz) of free longitudinal vibrations is equal to
a) Square root (k/m) / (2π)
b) Square root (g/δ) / (2π)
c) 0.4985/δ
d) all of the mentioned
a) Square root (k/m) / (2π)
b) Square root (g/δ) / (2π)
c) 0.4985/δ
d) all of the mentioned