2.2.2 - Formula for Angular Acceleration
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the formula for angular acceleration?
💡 Hint: Remember it relates change in angular velocity to time.
If a wheel makes 2 revolutions in one second and speeds up to 4 revolutions in two seconds, what is the angular acceleration?
💡 Hint: Convert revolutions to radians.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is angular acceleration?
💡 Hint: Recall what acceleration means in general.
Is angular acceleration a scalar quantity?
💡 Hint: Think about other physical quantities like velocity.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An aerospace engineer needs to simulate the angular acceleration of a new aircraft's wing rotation. The wing's angular velocity goes from 12 rad/s to 30 rad/s in 8 seconds. Calculate the necessary angular acceleration.
💡 Hint: Fill in the formula of Δω over Δt.
A planet's rotation speed increases from 7.5 rad/s to 9.5 rad/s over 5 seconds due to gravitational effects. What is the angular acceleration?
💡 Hint: Look at the difference in the speed during the specified time.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.