Calculate the value of the angular acceleration of the Heavy duty crane using the given data: J = 5 kg-m2, load torque = 30 N-m, motor torque = 80 N-m.

Calculate the value of the angular acceleration of the Heavy duty cran

1.	Calculate the value of the angular acceleration of the Heavy duty crane using the given data: J = 5 kg-m2, load torque = 30 N-m, motor torque = 80 N-m.
A.	10 rad/s<sup>2</sup>
B.	20 rad/s<sup>2</sup>
C.	30 rad/s<sup>2</sup>
D.	50 rad/s<sup>2</sup>
Answer» B. 20 rad/s<sup>2</sup>