Posted by heba on Friday, June 18, 2010 at 4:33am.
A certain spring elongates 9 mm when it is suspended vertically and a block of mass M is hung on it. The natural frequency of this massspring system is:
a)0.014
b)5.3Hz
c)31.8Hz
d)181.7Hz
e)need to know M
please explain the answer....and hope to answer soon.... thanks in advance

physics  hoho, Tuesday, May 31, 2011 at 1:38pm
no idea
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