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, $I=7*(2)^2=28kgm^2$

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

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

What is the angular momentum of an object with a mass of 7 kg7 kg that moves along a circular path of radius 2 m2 m at a frequency of 5 Hz 5 Hz ?