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 dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.55 x 10ª…

A: Given:- The angular speed of the drill is 1.55 x 104 rad/sec to the angular speed of 5.06 x104…

Q: A potter's wheel of mass 10 kg and radius 30 cm radius can be modelled as a uniform disk (a) The…

A: wf=wi+αtwi=0t=20 s

Q: The ladder of the fire truck rotates around the z axis with an angular velocity of W₁ = 0.13 rad/s,…

A:

Q: A disk, initially rotating at 121 rad/s, is slowed down with a constant angular acceleration of…

A: Given: The initial angular velocity is 121 rad/s. The magnitude angular acceleration of the disk is…

Q: ad/s². (a) How much time does the disk take to stop? (b) Through what angle (rad) does the disk…

A:

Q: A point on the rim of a 80 cm diameter tire wheel changes speed uniformly from 13.1 m/s to 19.6 m/s…

A:

Q: A disk, initially rotating at 112 rad/s, is slowed down with a constant angular acceleration of…

A:

Q: A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.0…

A: The value of the angular velocity of the CD given as  ω=5 rad s-1 As the angular velocity in terms…

Q: An electric drill rotates at 1800 rev/min. Through what angle does it turn in 2 ms? If it reaches…

A:

Q: A disk, initially rotating at 138 rad/s, is slowed down with a constant angular acceleration of…

A:

Q: A disk, initially rotating at 141 rad/s, is slowed down with a constant angular acceleration of…

A: Given data :- initial angular velocity ω0 = 141 rad/sangular acceleration   α = -2.90 rad/s2 (∵ ω is…

Q: A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually…

A: α ( angular acceleration) = -0.180 rad/sec2Number of revolution (N) = 2870 Angular displacement (θ)…

Q: 3. During a tennis serve, a racket is given an angular acceleration of magnitude 180 rad/s². At the…

A:

Q: An object that is initially at rest begins to rotate under a constant angular acceleration of 1.95…

A: Given that----- angular acceleration = 1.95 rad / sec2 angular displacement = 193 rad. Question ❓…

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

A:

Q: VA = 5 ft/s, both acting to the left. Determine the acceleration of the top of the ladder, B, and…

A: Here we will use basic position, velocity and acceleration relations.

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: What constant angular acceleration is required to reduce an object's angular velocity from 37.8…

A: See below

Q: A disk, initially rotating at 137 rad/s, is slowed down with a constant angular acceleration of…

A: Initial angular velocity ωi = 137 rad/sec final angular velocity ωf= 0 rad/sec angular acceleration…

Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.74 x 104…

A:

Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.00 x 104…

A: For calculation of acceleration and time taken by drill, we can use equations of kinematics for…

Q: A disk with a diameter of 30 cm speeds up from 20 rad/s to 40 rad/s in 20s. (a) How many revolutions…

A:

Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.5…

A: Given : wo = 37.5 rad/s w = 15.4 rad/s N = 11

Q: 2) A dust particle has 1.00 x 10^16 protons and a net charge of 0.300 pico Coulomb. a) How many…

A: a) Number of fewer electrons is,

Q: What constant angular acceleration is required to reduce an object's angular velocity from 35.9…

A:

Q: A disk, initially rotating at 124 rad/s, is slowed down with a constant angular acceleration of…

A:

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

A:

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

A:

Q: A disk, initially rotating at 123 rad/s, is slowed down with a constant angular acceleration of…

A: Given Initial angular velocity  ωo    = 123 rad/s Acceleration of magnitude α = -4.86 rad/s2 Final…

Q: Problem 9: A disk rotates with a constant angular acceleration given by 20.4 rad/s“. How many…

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: An object has an initial angular velocity of 5.0 rad/s and undergoes an angular acceleration of 15…

A:

Q: A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.20 x 104…

A:

Q: A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.0…

A:

Q: The blades of a ceiling fan have a radius of 0.77 m and are rotating about a fixed axis with an…

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 1.42 x 104…

A:

Q: A turntable initially has an angular velocity of 4.51 rad/s. If the undergoes uniform angular…

A:

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: At t = 0 it is observed that a rotating object has an angular velocity of 3 rad/s. The object also…

A: Write the given data. ω0=3 rad/sα=2 rad/s2t= 4 s

Q: A disk, initially rotating at 146 rad/s, is slowed down with a constant angular acceleration of…

A:

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 116 rad/s, is slowed down with a constant angular acceleration of…

A: The equations we use here are similar to the equations of linear motion. ωf = ωi + αt ωf2 - ωi2 =…

Q: A disk, initially rotating at 135 rad/s, is slowed down with a constant angular acceleration of…

A: Given:initial speed, wi= 135 rad/sangular aceleration, α=3.78 rad/ s2 In this question we use…

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

A: