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QUESTION 1 A machinist turns off the power on a grinding wheel that is operating at...
A machinist turns on the power on to a grinding wheel at time t = 0s....
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...
5) A machinist turns the power on to a grinding wheel, at rest, at time t=0...
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 on the power on to a grinding wheel at time t = 0...
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 the power on to a grinding wheel, at rest, at time t =...
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:
A machinist turns on the power to a grinding wheel at time I Os. The wheel...
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 the power on to a grinding wheel, which is at rest at time...
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...
How did they get these answers? 13. A machinist turns the power on to a grinding...
How did they get these answers?
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 on the power to a grinding wheel, which is at rest at t...
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)...
the answer is D but I don't understand why. please show work and explain how to...
the answer is D but I don't understand why.
please show work and explain how to get that answer
2. 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 58rad/s. The wheel is run at that angular velocity for 30 s, and then power is shut off. The wheel slows down uniformly at 1.4rad/s2 until the wheel...
At time t=0 a grinding wheel has an angular velocity of 22.0 rad/s . It has...
At time t=0 a grinding wheel has an angular velocity of 22.0 rad/s . It has a constant angular acceleration of 29.0 rad/s2 until a circuit breaker trips at time t = 2.10 s . From then on, the wheel turns through an angle of 436 rad as it coasts to a stop at constant angular deceleration. (a) Through what total angle did the wheel turn between t=0 and the time it stopped? Express your answer in radians. (b) At...
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...
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 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?...
How did they get these answers?
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...
the answer is D but I don't understand why.
please show work and explain how to get that answer
2. 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 58rad/s. The wheel is run at that angular velocity for 30 s, and then power is shut off. The wheel slows down uniformly at 1.4rad/s2 until the wheel...
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