While calculating the natural frequency of a spring-mass system, the effect of the mass of
the spring is accounted for by adding X times its value to the mass, where X is
A. 1/2
B. 1/3
C. 1/4
D. 3/4
the spring is accounted for by adding X times its value to the mass, where X is
A. 1/2
B. 1/3
C. 1/4
D. 3/4