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If the spring stiffness is halved and the mass doubled, then the natural frequency will be 

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asked in tom by (215k points)
A simple spring-mass vibrating system has a natural frequency of N. If the spring stiffness is halved and the mass doubled, then the natural frequency will be  

          (a) 0.5 N                          (b) N               

           (c) 2N                             (d) 4N

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