13. A disk, initially rotating at 120 rad/s, is slowed down with a constant angular acceleration of magnitude 4.0 rad/s?. (a) How much time does the disk take to stop? (b) Through what angle does the disk rotate during that time?

Q: A disk, initially rotating at 100 rad/s, is slowed down with a constant angular acceleration of…

A: Given data: The initial angular velocity is ωi=100 rad/s. The angular acceleration is α=4.89…

Q: A cylinder rotating at 4.3 rad/s is accelerated to 37.1 rad/s in 6.5 s. What is the angular…

A: Angular acceleration is the term for the time rate of change of angular velocity. The most prevalent…

Q: A disk rotates around a fixed axis at its center with an angular velocity of 300 rad/s when it…

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Q: A disk, initially rotating at 107 rad/s, is slowed down with a constant angular acceleration of…

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Q: Please help me. A child pushes a merry-go-round from rest to a final angular speed of 0.750 rev/s…

A: Given: The initial angular velocity of the merry-go-round is 0 rad/s. The final angular velocity of…

Q: A drill starts from rest. After 4 s of constant angular acceleration, it turns at a rate of 2.5x104…

A: initial angular velocity,wi=0 rad/sFinal rotational speed,Nf=2.5×104 rev/minFinal angular velocity…

Q: A disk, initially rotating at 136 rad/s, is slowed down with a constant angular acceleration of…

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Q: A disk, initially rotating at 119 rad/s, is slowed down with a constant angular acceleration of…

A: Write the given values with suitable variables. ωi=119 rad/sα=-4.53 rad/s2ωf=0 rad/s Here, ωi, α,…

Q: When a fan is turned off, its angular speed decreases from 10 rad/s to 6.3 rad/s in 5.0 s. What is…

A: Giveninitial angular acceleration(ωi)=10 rad/sfinal angular acceleration(ωf)=6.3 rad/stime(t)=5.0…

Q: A circular disc is initially rotating at 7.7 rad/s and has a constant angular acceleration. After…

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Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.05 × 10ʻ…

A: Given data Initial angular speed is: ωo = 0 rad/s Intermediate angular speed is: ω1 = 1.05 x 104…

Q: A disk, initially rotating at 104 rad/s, is slowed down with a constant angular acceleration of…

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Q: An object is swung in a horizontal circle, starting at position zero (0 rad) and ends at 10 rad. If…

A:

Q: 19. A carousel is initially at rest. At t = 0 it is given an angular acceleration of 0.071 rad/s^2,…

A: GivenAngular acceleration ,α=0.071 rad/s2t=8 sr=1.08 m

Q: A drill starts from rest. After 4s of constant angular acceleration, it turns at a rate of 5x104…

A: Given, Initial angular velocity is wi = 0 final angular velocity is wf = 5 x 104 rev/min wf = 2π60 x…

Q: Starting from rest, a disk rotates about its central axis with constant angular acceleration. In…

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Q: A disk, initially rotating at 119 rad/s, is slowed down with a constant angular acceleration of…

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Q: A disk having a radius of 0.5 ft rotates with an initial angular velocity of 2 rad/s and has a…

A: Solution:-Given thatRadius of disc (R)=0.5 ftInitial angular velocity (ω∘)=2 rad/sConstant angular…

Q: 4. A disk of radius R = 3.0 m rotates at an angular velocity @ = (1.6 + 1.2t) rad/s. At the instant…

A:

Q: 2. A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.50 × 104…

A: According to question --- Given data--- Initial angular speed = 1.5 × 104 rad/sec. Final angular…

Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.30E+4 rad/s…

A: The angular acceleration of the drill is,

Q: A disk, initially rotating at 145 rad/s, is slowed down with a constant angular acceleration of…

A: Given: The intial angular speed of the disk is 145 rad/s. The angulation of the disk is -2.29 rad/s2…

Q: The angular speed of a fan decelerates from 11.6 rad/s to 7.8 rad/s in 4.5 s. What is the magnitude…

A: Given  Initial angular velocity ωi=11.6rad/s Final angular velocity ωf=7.8rad/s Time t=4.5s

Q: A disk, initially rotating at 143 rad/s, is slowed down with a constant angular acceleration of…

A: Given data:  Initial angular velocity (ω0) = 143 rad/s Acceleration (a) = -2.70 rad/s2 Final angular…

Q: A disk, initially rotating at 139 rad/s, is slowed down with a constant angular acceleration of…

A: Given Datainitial angular speed ωi = 139 rad/sangular acceleration α = -4.19 rad/s2    (it is…

Q: A disk, initially rotating at 149 rad/s, is slowed down with a constant angular acceleration of…

A:

Q: A disk, initially rotating at 106 rad/s, is slowed down with a constant angular acceleration of…

A: (a) Since the disk is slowing down, the angular acceleration of the disk is α=-2.35 rad/s2. Using…

Q: A giant wheel is rotating at a speed of 20 rad/s. It then slows down with a constant angular…

A:

Q: A disk, initially rotating at 129 rad/s, is slowed down with a constant angular acceleration of…

A: Given data :- ω0 = 129 rad/sα   = -3.69 rad/s2ω  = 0 rad/s

Q: At t = 0s a grinding wheel has an angular velocity of 24.0 rad/s. It has a constant angular…

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Q: A disk, initially rotating at 120 rad/s, is slowed down with a constant angular acceleration of…

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Q: initially rotating at 114 rad/s, is slowed down with a constant angular acceleration of magnitude…

A: Given  Initial angular velocity = 114 rad/s2  Angular acceleration = - 2.39 rad/s2

Q: A disk, initially rotating at 145 rad/s, is slowed down with a constant angular acceleration of…

A: In the given question, Initial angular velocity of the disc = ω0 = 145 rad/s Angular acceleration…

Q: A disk, initially rotating at 134 rad/s, is slowed down with a constant angular acceleration of…

A:

Q: A large disk with a 2.4 m radius rotates from rest with a constant angular acceleration of 0.30…

A: Use the rotational analogue of the first kinematic equation expressed as,

Q: 1. After accelerating a merry-go-round has an angular acceleration of 0.45 radians per second…

A: