A Particle Moves Uniformly Around the Circumference of a Circle

question 76

Multiple Choice

A particle moves uniformly around the circumference of a circle whose radius is 8.0 cm with a period of /20 s. The angular velocity of the particle is

• A) 2.5 rad/s.
• B) 3.2  10² rad/s.
• C) 40 rad/s.
• D) 7.9 rad/s.
• E) 0.96 rad/s.