A machinist turns on the power on 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 velocity for 40 s and then power is shut off.The wheel slows down uniformly at
Until the wheel stops.For how long a time after the power is shut off does it take the wheel to stop?
A)64 s
B)62 s
C)66 s
D)68 s
E)70 s

Question

A machinist turns on the power on 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 velocity for 40 s and then power is shut off.The wheel slows down uniformly at 
Until the wheel stops.For how long a time after the power is shut off does it take the wheel to stop?
A)64 s 
B)62 s 
C)66 s 
D)68 s 
E)70 s

Quizplus · Accepted Answer

The Answer of A machinist turns on the power on 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 velocity for 40 s and then power is shut off.The wheel slows down uniformly at 
Until the wheel stops.For how long a time after the power is shut off does it take the wheel to stop?
A)64 s 
B)62 s 
C)66 s 
D)68 s 
E)70 s

A Machinist Turns on the Power on to a Grinding