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xd14
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Homework Statement
a 3 kg mass is on the end of a metal rod which is pivoted at one end. the mass of the rod is 2kg its length is 4 meters
Homework Equations
I=(ML^2)/3
The Attempt at a Solution
the rotational inertia of the rod itself is 10.6 but i don't know how the 3kg mass at the end would effect things