A 0150-M-Radius Grinding Wheel Starts at Rest and Develops an Angular

question 62

Multiple Choice

A 0.150-m-radius grinding wheel starts at rest and develops an angular speed of 12.00 rad/s in 7.80 s.What is the average tangential acceleration of a point on the wheel's edge?

• A)0.231 m/s²
• B)1.54 m/s²
• C)10.3 m/s²
• D)14.0 m/s²