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#