- #1
Blackplague
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Homework Statement
A certain spring elongates 9mm when it is suspended vertically and a block of mass M is hung on it. The natural frequency of this mass-spring system is:
a)0.014 b) 5.3Hz c) 31.8Hz d) 181.7 e) need to know M
x=9mm
mass=M
Homework Equations
I don't know any relevant equations for this. It only gives me "x" as an actually constant and not a variable like the mass has.