A top is spinning at 34.8 rad/s, and has an angular momentum of 0.470 kg•m?/s. What is its moment of inertia?

Answer 1

Angular momentum (L) = moment of inertia (I) times angular speed (ω)

0.470 kgm²/s = I (34.8 rad/s)

I = 0.470 / 34.8 = 0.0135 kgm²