What is the angular momentum of an object with a mass of #7 kg# that moves along a circular path of radius #2 m# at a frequency of # 5 Hz #?

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Answer 1 · 2017-02-13T09:57:57

The angular momentum is #=879.6kgm^2s^(-1)#

The angular momentum is #L=Iomega#

and #omega# is the angular speed

For the object, #I=(mr^2)#

So, #I=7*(2)^2=28kgm^2#

#omega=5*2pi=10pi rads^-1#

#L=28*10pi=879.6kgm^2s^(-1)#