At time t=0 a grinding wheel has an angular velocity of 28.0 rad/s. It has a constant angular acceleration of 31.0 rad/s² until a circuit breaker trips at time t = 1.80 s. From then on, the wheel turns through an angle of 436 rad as it coasts to a stop at constant angular deceleration. Through what total angle did the wheel turn between t = 0 and the times Express your answer in radians. ▸ View Available Hint(s) ΤΟ ΑΣΦ ? rad
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- Starting from rest at t = 0 s, a wheel undergoes a constant angular acceleration. When t = 3.8 s, the angular velocity of the wheel is 5.5 rad/s. The acceleration continues until t = 25 s, when the acceleration abruptly changes to 0 rad/s2. Through what angle does the wheel rotate in the interval t = 0 s to t = 48 s?Starting from rest at t = 0 s, a wheel undergoes a constant angular acceleration. When t = 3.8 s, the angular velocity of the wheel is 6.7 rad/s. The acceleration continues until t = 24 s, when the acceleration abruptly changes to 0 rad/s2. Through what angle does the wheel rotate in the interval t = 0 s to t = 54 s?please answer this question all parts.
- A gear A has an angular acceleration of a =10 rad/s^2 and radius 0.5 m, the magnitude of the angular velocity and angular acceleration of gear B after the time 2 sec.The Gear A has radius 0.2 m starts from rest. 10 rad/sec,25 rad/sec^2 50 rad/sec,25 rad/sec^2 100 rad/sec,25 rad/sec^2 O 50 rad/sec, 100 rad/sec^2An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad/s1045 rad/s). If a particular disk is spun at 734.1 rad/s734.1 rad/s while it is being read, and then is allowed to come to rest over 0.368 seconds0.368 seconds, what is the magnitude of the average angular acceleration of the disk? If the disk is 0.12 m0.12 m in diameter, what is the magnitude of the tangential acceleration of a point 1/71/7 of the way out from the center of the disk?A rotating wheel requires 4.66 s to rotate through 45.9 rev. It’s angular speed at the end of the 4.66s interval is 66.2 rad/s. What is its constant angular acceleration? Assume the angular acceleration has the same sign as the angular velocity. Answer in units of rad/s^2.
- The angular position of a rotating object as a function of time is given below: e = 3.113-2.5t2 +4.7t+d Here e is in units of radians and t is in units of seconds and d is constant. Determine the instantaneous angular acceleration of the object at t=2.9s. Express your answer in units of rad/s using one decimal place.The disk starts at wo = 2 rad/s when 0 = 0, and is given an angular acceleration a = (0.30) rad/s², where is in radians. (Figure 1) Figure 0.4 m P 1 of 1 Part A Determine the magnitude of the normal component of acceleration of a point P on the rim of the disk when 0 = 1 rev. Express your answer to three significant figures and include the appropriate units. an = LUI Part B xa 20.5 Submit μA xa at = 1.51 Xb Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback مرات b Determine the magnitude of the tangential component of acceleration of a point P on the rim of the disk when 0 = 1 rev. Express your answer to three significant figures and include the appropriate units. μA Xb X.10n m a b ? m X.10n X X Previous Answers Request Answer ? X Incorrect; Try Again; 5 attempts remainingAt t = 0, a wheel rotating about a fixed axis at a constant angular deceleration of 0.51 rad/s2 has an angular velocity of 0.8 rad/s and an angular position of 7 rad. What is the angular position of the wheel after 2 s in rad units?
- A particle starts from rest and moves around a fixed point with a constant acceleration of 2 rad.s-2. a. Find its angular velocity after 2 s. b. Find the angular displacement and the number of revolutions it makes after 5 s. 2. A wheel rotates at 1200 rpm. How many radians per second is that? Hint: Select the appropriate equations. Use the formulas in slide # 9. Since the motion starts from rest wo= 0 and 0 = 0.A wheel of diameter 21.0 cm has a 10.0 m cord wrapped around its periphery. Starting from rest, the wheel is given a constant angular acceleration of 3.00 rad/s². How long will it take the cord to unwind?At time t=0 a grinding wheel has an angular velocity of 25.0 rad/s. It has a constant angular acceleration of 32.0 rad/s2 until a circuit breaker trips at time t= 1.80 s. From then on, the wheel turns through an angle of 433 rad as it coasts to a stop at constant angular deceleration. What was the wheel's angular acceleration as it slowed down?