A grindstone increases in angular speed from 4.00 rad/s to 12.00 rad/s in 4.00 s. Through what angle does it turn during that time interval if the angular acceleration is constant?
A、8.00 rad;
B、12.0 rad;
C、16.0 rad;
D、32.0 rad
发布时间：2025-07-31 01:01:52
