What is the angular momentum of an object with a mass of #7 kg# that moves along a circular path of radius #12 m# at a frequency of # 4 Hz #?

Question

I

1773 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-12-18T10:49:55

The angular momentum is #=25333 kgms^(-1)#

The angular momentum is

#L=Iomega#

Where #I=# moment of inertia of the mass

And #omega=# angular velocity

#I=mr^2#

#I=7*12^2=1008kgm^2#

#1 Hz= 2pi# rad

So, #omega=4*2pi rads^(-1)#

The angular momentum is #=1008*8pi=25333 kgms^(-1)#