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dominatesean
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Homework Statement
The 14-cm-long wrench in the figure swings on its hook with a period of 0.90 s. When the wrench hangs from a spring of spring constant 380 , it stretches the spring 2.8 cm
What is the wrench's moment of inertia about the hook?
cm of wrench is also 14 cm according to pic
Homework Equations
I = m*g*L*T^2/2pi
(How I found the mass)
Fsp = -ks
Fg = mg
The Attempt at a Solution
I=1.08571428*9.8*.14*.028^2/2 pi
Not the right answer not sure what to do or where to go
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