A shaft of mass (mc) and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its longitudinal vibration is equal to

A shaft of mass (mc) and stiffness (s) is fixed at one end and carries

1.	A shaft of mass (mc) and stiffness (s) is fixed at one end and carries a mass (m) at the other end. The natural frequency of its longitudinal vibration is equal to
A.	<img src="/_files/images/mechanical-engineering/theory-of-machines/514-465-1.png">
B.	<img src="/_files/images/mechanical-engineering/theory-of-machines/514-465-2.png">
C.	<img src="/_files/images/mechanical-engineering/theory-of-machines/514-465-3.png">
D.	<img src="/_files/images/mechanical-engineering/theory-of-machines/514-465-4.png">
Answer» E.