A 250kg Propeller May Be Considered a 4

Multiple Choice

A 25.0kg propeller may be considered a 4.5m-long rod spun about its center.What final angular velocity does the propeller have if a torque of 1100Nm is applied for 1.2s?

A) 31 rad/s
B) 26 rad/s
C) 7.8 rad/s
D) 2.6 rad/s