The Armature (Or Spinning Portion) of a Motor Is Accelerated

question 20

Multiple Choice

The armature (or spinning portion) of a motor is accelerated uniformly from rest to a rotational velocity of 1500 rev/min in 10 seconds. The rotational acceleration of the motor is

• A) 150 rad/s².
• B) 15.7 rad/s².
• C) 31.4 rad/s².
• D) 75 rad/s².
• E) zero.

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