Answer:
-138.23
Explanation:
The initial angular velocity = 4500 rpm
The final angular velocity = 1200 rpm
1 revolution = 2π radians
1 minute = 60 seconds
So,
Time = 2.5 seconds
Angular acceleration is:
Angular acceleration =- 138.23
Answer:
You should never post anything you wouldn't want a potential employer to see.
Explanation: