What is the angular momentum of a rod with a mass of $5 kg$ and length of $4 m$ that is spinning around its center at $1 7 Hz$ ?

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Answer 1 · 2016-11-16T16:02:38

The angular momentum is $=340/3kgm^2s^(-1)$

The angular momentum is $L=Iomega$

and $omega=$ angular velocity

The moment of inertia of the rod is $=(ml^2)/12$

$m=5 kg$

$l=4 m$

Therefore, $I=(5*4^2)/12=20/3 kgm^2$

$omega=17 Hz$

So, $L=17*20/3=340/3kgm^2s^(-1)$

What is the angular momentum of a rod with a mass of 5 kg5 kg and length of 4 m4 m that is spinning around its center at 1 7 Hz 1 7 Hz?