Back
Intro to Rotational Kinetic Energy
Intro to Rotational Kinetic Energy
13. Rotational Inertia & Energy / Intro to Rotational Kinetic Energy / Problem 3
The flywheel of a steam engine rotates at an angular speed of 70 rad/s. When it releases 80J of kinetic energy, its angular speed drops to 40 rad/s. What is the needed moment of inertia?
Was this helpful?
Learn this concept