What is the angular momentum of a rod with a mass of #15 kg# and length of #7 m# that is spinning around its center at #15 Hz#?

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Answer 1 · 2017-01-20T14:00:12

The angular momentum is #=5572.7kgms^-1#

The angular momentum is #L=Iomega#

For a rod, #I=(mL^2)/12#

So, #I=15*(7)^2/12=61.25kgm^2#

#omega=15*2pi=30pi rads^-1#

#L=61.25*30pi=5572.7kgms^(-1)#