the answer is D but I don't understand why.
please show work and explain how to get that answer

the answer is D but I don't understand why. please show work and explain how to...
A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 43 rad/s. The wheel is run at that angular velocity for 39 s and then power is shut off. The wheel slows down uniformly at 1.8 rad/s2 until the wheel stops. In this situation, the total number of revolutions made by the wheel?
A machinist turns on the power on to a grinding wheel at time t = 0s. The wheel accelerates uniformly from rest for 10s and reaches the operating angular speed of 58 rad/s. The wheel is run at that angular velocity for 30s, and then power is shut off. The wheel slows down uniformly at 1.4 rad/s^2 until the wheel stops. What is the total number of revolutions made by the wheel in this situation ? A machinist turns on...
A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 93 rad/s. The wheel is run at that angular velocity for 23 s and then power is shut off. The wheel slows down uniformly at 1.1 rad/s2 until the wheel stops. In this situation, the angular acceleration of the wheel between t = 0 s and t =...
5) A machinist turns the power on to a grinding wheel, at rest, at time t=0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. The wheel is run at that angular velocity for 40 s and then power is shut off. The wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. In this situation, the time interval of deceleration is closest to:
A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 40 rad/s. The wheel is run at that angular velocity for 34 s and then power is shut off. The wheel slows down uniformly at 2.8 rad/s2 until the wheel stops. In this situation, the time interval of deceleration is closest to:
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13. A machinist turns the power on to a grinding wheel, at rest, at time t-0 s. The wheel accelerates uniformly with angular acceleration of 2.9 rad/s for 10 s when reaches its operating angular velocity. The wheel is run at that angular velocity for 15s and then power is shut off. The wheel slows down uniforml,y at 2.7 rad/s2 until the wheel stops. a. What is the total time the wheel is in...
A machinist turns the power on to a grinding wheel, which is at rest at time t = 0.00 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 86 rad/s. The wheel is run at that angular velocity for 32 s and then power is shut off. The wheel decelerates uniformly at 2.3 rad/s2 until the wheel stops. In this situation, the time interval of angular deceleration (slowing down) is closest to: 37 s...
A machinist turns on the power to a grinding wheel at time I Os. The wheel acceleraties unormuy from rest for 10 s and reaches the operating angular speed of 38 rads. The wheel is run at that angular speed for 30 s and then power is shut off. The wheel shows down uniformly at 2.1 rad/s2 until the wheel stops. A. In this situation, what is the angular acceleration of the wheel between t=0 sand 1 - 10 s?...
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 96 rad/s The wheel is run at that angular velocity for 40 s and then power is shut off. The wheel slows down uniformly at 1.5 rad/s^2 until the wheel stops. For how long a time after the power is shut off does it take the wheel...
A machinist turns on the power to a grinding wheel, which is at rest at t = 0.0 s. The wheel accelerates uniformly for 8.0 s and reaches the operating angular velocity of 80 rad/s. The wheel is then run at that angular velocity for 30 seconds and then the power is shut off. The wheel decelerates uniformly at 5.0 rad/s2 until the wheel stops. Through what total angle has the wheel turned? (a) 2400 radians (b) 3360 radians (c)...