A Fan Blade,initially at Rest,rotates with a Constant Acceleration of 0.025

Multiple Choice

A fan blade,initially at rest,rotates with a constant acceleration of 0.025 rad/s².What is the time interval required for it to reach a 10-rad displacement after starting from rest?

A) 28 s
B) 2.0 s
C) 56 s
D) 18 s