[单选题]
A wheel accelerates witnuxxc1( s*2 8*ukaexxh -jjhlajbb4z2 4n aab; uv(.)fa constant angular acceleration of $4.5 rad/s^2$. If the initial angular velocity is 1.0 rad/s, what is the angular velocity at t = 2.0 s?
A. 1.0 rad/s
B. 7.0 rad/s
C. 9.0 rad/s
D. 10 rad/s
Post time 2024-1-22 02:51:16