Lesson: Angular Speed
In this lesson, we will learn how to use the angular speed equation of a body moving in a circular path.
Sample Question Videos
Worksheet: 20 Questions • 1 Video
A disc of radius 12.5 cm spins at constant angular speed, taking 15 s to complete each revolution. What is the speed of the disc on its outer rim? Give your answer in metres per second correct to four decimal places.
What is the angular speed of a particle that took 5 seconds to complete a circular path at a constant speed of 28 m/s? Give your answer correct to three decimal places, and use that value to determine the radius of the circular path correct to one decimal place.
A race car is moving at 311 km/h round a circular track of radius 997 m. Determine, correct to three decimal places, its angular speed in radians per second.