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A 020-M Radius Grinding Wheel Starts at Rest and Develops an an Angular

Question 59

Multiple Choice

A 0.20-m radius grinding wheel starts at rest and develops an angular speed of 12.0 rad/s in 4.0 s.What is the average tangential acceleration of a point on the wheel's edge?


A) 0.45 m/s2
B) 0.60 m/s2
C) 28 m/s2
D) 14 m/s2

Correct Answer:

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