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, $omega=15*2pi=30pirads^-1$

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

What is the angular momentum of an object with a mass of 5 kg5 kg that moves along a circular path of radius 3 m3 m at a frequency of 15 Hz 15 Hz ?