Phoenix Business Daily

What is the moment of inertia of the propeller?

The net work done in accelerating a propeller from rest to an angular speed of 203 rad/s is 3950 J. What is the moment of inertia of the propeller? Answer in units of kgm2.

Public Comments

1. Work Required = Final Angular Energy of Propeller Work = Moment of Inertia x omega ^ 2 Where omega is the final angular velocity, which is given. Moment of Inertia = Work / omega^2 All your units are OK, so go ahead and substitute.