What is the angular momentum of a rod with a mass of $6 kg$ and length of $4 m$ that is spinning around its center at $13 Hz$ ?

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Answer 1 · 2017-02-26T16:23:13

The angular momentum is $=653.5kgm^2s^-1$

The angular momentum is $L=Iomega$

For a rod rotating aroud the center, $I=(mL^2)/12$

So, $I=6*(4)^2/12= 8 kgm^2$

The angular velocity is $=13*2pi=26pi rads^-1$

The angular momentum is

$L=8*26pi=653.5kgm^2s^-1$

What is the angular momentum of a rod with a mass of 6 kg 6 kg and length of 4 m4 m that is spinning around its center at 13 Hz13 Hz?