Find the rotational inertia of a cylinder. mass is 2.0kg, radius .21m

= 0.09 m/s

The rotational inertia of a cylinder is given by the formula;

I =  mr² , where I is the inertia, m is the mass, and r is the radius.

Inertia = 2.0 × 0.21²

           = 0.0882 m/s

          ≈ 0.09 m/s

your answer would be fusion

b.

explanation:

10.0