# A bicycle wheel has a moment of inertia of 0.25 kg m² about ots axle. The wheel rotates at 120 rpm . Calculate the angular momentum of the wheel and the rotational kinetic energy of the wheel?

##### 1 Answer

Jul 14, 2015

I found:

#### Explanation:

The angular momentum is:

while the rotational kinetic energy is:

Where:

In your case:

with this in mind: