Rotational Kinematics

 

A laboratory centrifuge starts from rest and reaches a rotational speed of 10,000 rad/s in a time of 20 seconds. What is the angular acceleration of the centrifuge?

a)    250 radians/s2

b)    300 radians/s2

c)     500 radians/s2

d)    800 radians/s2

e)     1,000 radians/s2