Calculate the value of angular acceleration of motor using the given data: J = 20 kg-m2, load torque = 20 N-m, motor torque = 60 N-m.

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1.	Calculate the value of angular acceleration of motor using the given data: J = 20 kg-m2, load torque = 20 N-m, motor torque = 60 N-m.
A.	5 rad/s2
B.	2 rad/s2
C.	3 rad/s2
D.	4 rad/s2
Answer» C. 3 rad/s2

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