What is the angular momentum of an object with a mass of #5 kg# that moves along a circular path of radius #3 m# at a frequency of # 15 Hz #?

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Answer 1 · 2017-03-25T11:08:32

The angular momentum is #=4241.2kgm^2s^-1#

The angular momentum is #L=Iomega#

For a the object, #I=mr^2#

Mass, #m=5kg#

Radius, #r=3m#

So, #I=5*(3)^2=45kgm^2#

angular velocity, #omega=15*2pi=30pirads^-1#

#L=45*30pi=4241.2kgm^2s^-1#