A2.73 kg cylindrical grinding wheel with a radius of 31 cm rotates at 1416 rpm. what is its angular momentum? answers:
27.8 kg*m^2/s
18.8 kg*m^2/s
22.8 kg*m^2/s
17.5 kg*m^2/s

The angular momentum of the wheel is  .

Explanation:

It is given that,

Mass of the wheel, m = 2.73 kg

Radius of the wheel, r = 31 cm = 0.31 m

Angular speed of the wheel,

We need to find its angular momentum. It is given by :

I is the moment of inertia of the wheel,

So, the angular momentum of the wheel is  . Hence, this is the required solution.

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