The angular speed of an object describing a circle of radius 4m with a linear constant speed of 10 ms-1 is?

A. 40.00 rad s-1
B. 14.00 rad s-1
C. 2.50 rad s-1
D. 1.58 rad s-1
E. 0.40 rad s-1

Correct Answer:

Option C – 2.50 rad s-1