If a mass 'm' oscillates on a spring having a mass \[{{m}_{s}}\] and stiffness ?k?, then the natural frequency of the system is given by:

\[\sqrt{\frac{k}{\frac{m}{3}+{{m}_{s}}}}\]

\[\sqrt{\frac{k}{m+\frac{{{m}_{s}}}{3}}}\]

\[\sqrt{\frac{3k}{m+{{m}_{s}}}}\]

\[\sqrt{\frac{k}{m+{{m}_{s}}}}\]

If a mass 'm' oscillates on a spring having a mass \[{{m}_{s}}\] a

1.	If a mass 'm' oscillates on a spring having a mass \[{{m}_{s}}\] and stiffness ?k?, then the natural frequency of the system is given by:
A.	\[\sqrt{\frac{k}{m+\frac{{{m}_{s}}}{3}}}\]
B.	\[\sqrt{\frac{k}{\frac{m}{3}+{{m}_{s}}}}\]
C.	\[\sqrt{\frac{3k}{m+{{m}_{s}}}}\]
D.	\[\sqrt{\frac{k}{m+{{m}_{s}}}}\]
Answer» B. \[\sqrt{\frac{k}{\frac{m}{3}+{{m}_{s}}}}\]

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If a mass 'm' oscillates on a spring having a mass \[{{m}_{s}}\] and stiffness ?k?, then the natural frequency of the system is given by:

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