A machinist turns on the power to a grinding wheel at time t = 0 s.The wheel accelerates uniformly from rest for 10 s and reaches the operating angular speed of
The wheel is run at that angular speed for 30 s and then power is shut off.The wheel slows down uniformly at
Until the wheel stops.In this situation,what is the angular acceleration of the wheel between
And
A)3.8 rad/
B)4.6 rad/
C)5.3 rad/
D)6.1 rad/
E)6.8 rad/

Question

A machinist turns on the power to a grinding wheel at time t = 0 s.The wheel accelerates uniformly from rest for 10 s and reaches the operating angular speed of 
The wheel is run at that angular speed for 30 s and then power is shut off.The wheel slows down uniformly at 
Until the wheel stops.In this situation,what is the angular acceleration of the wheel between 
And 
A)3.8 rad/ 
B)4.6 rad/ 
C)5.3 rad/ 
D)6.1 rad/ 
E)6.8 rad/

Quizplus · Accepted Answer

The Answer of A machinist turns on the power to a grinding wheel at time t = 0 s.The wheel accelerates uniformly from rest for 10 s and reaches the operating angular speed of 
The wheel is run at that angular speed for 30 s and then power is shut off.The wheel slows down uniformly at 
Until the wheel stops.In this situation,what is the angular acceleration of the wheel between 
And 
A)3.8 rad/ 
B)4.6 rad/ 
C)5.3 rad/ 
D)6.1 rad/ 
E)6.8 rad/

A Machinist Turns on the Power to a Grinding Wheel