B. A disk of radius 20 cm, is rotating from rest at an angular velocity of...

Question

Question

Answer 1

Answer #1

50 rpma 50x215 rad, m= 9000 rad minute 10oTT 60 radls radius 20 cm a 0.2 m velocity 0.24 tong entiel 100T 60 1:0466 ~ 11.05 m

Answer 2

Similar Homework Help Questions

A. The drum of a laundry machine, starts from rest and reach an angular speed of...

A. The drum of a laundry machine, starts from rest and reach an angular speed of 50 rps, in 8 sec when suddenly someone opens the lid, and the laundry machine undergoes a decelerating cycle to stop after 10 sec. i. What is the acceleration of the drum during the first 8 sec? (2 marks) ii. How many revolutions will it rotate to reach this velocity. (2 marks) iii. What is the acceleration when the machine was going to rest...
A disk of radius 1.5m initially at rest begins rotating about its center with constant angular...

A disk of radius 1.5m initially at rest begins rotating about its center with constant angular acceleration of 0.2 rad/s2. Calculate the following: a) The angular velocity of the disk after 4s. b) The linear velocity of a point on the rim of the disk after 4s. c) The amount of rotation after 4s.
(b) At the instant shown in Figure Q2(b), a disk is rotating with an angular velocity...

(b) At the instant shown in Figure Q2(b), a disk is rotating with an angular velocity of a) 1.0 rad/s and has an angular acceleration of α-: 0.5 rad/s. A string extends from the centre of the disk, O, and runs over a small peg, A, and a pulley, B. The other end of the string is connected to a cylinder C. At the instant shown, OA is perpendicular to AB. Neglect the size of the pulley at B. (i)Determine...

A wheel 1 m in radius starts rotating from rest with a constant angular acceleration of...

A wheel 1 m in radius starts rotating from rest with a constant angular acceleration of 4 rad/s2 At t = 2 s find: a) the angular speed of the wheel; b) the tangential speed of the wheel at the rim; c) the centripetal and tangential acceleration of the wheel at the rim; d) the angular displacement.
Starting from rest, disk A begins rotating with a counterclockwise angular acceleration of 3t rad/s2 (where...

Starting from rest, disk A begins rotating with a counterclockwise angular acceleration of 3t rad/s2 (where t is time in seconds). For disk D, calculate the angular acceleration, angular velocity, and the number of revolutions after5 seconds. RA 200 mm Re 100 mm Rc 175 mm Ro 150 mm A/ 0 RB
A 39.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, a...

A 39.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) Find the angular speed of the wheel at t 2.30 s. rad/s 2.30 s (b) Find the linear velocity and tangential acceleration of P at t...

A disk of mass M and radius R is rotating with an angular velocity ω. A...

A disk of mass M and radius R is rotating with an angular velocity ω. A rod also of mass M but length 2R is initially not rotating. It is dropped vertically onto the rotating disk. After the collision, the disk and rod rotate together with an angular velocity of? What fraction of the initial kinetic energy was lost in the collision?
Number 3, thank you The wheels of a bus accelerating from rest acquire an angular velocity...

Number 3, thank you The wheels of a bus accelerating from rest acquire an angular velocity of 600 rpm in 2.0 seconds. The diameter of the wheels is 1 meter. a) What is the angular acceleration of the wheels? b) Determine the number of revolutions made by the wheels in this time, and the distance the bus has traveled. A uniform disk of radius .25 m and mass 5 kg is mounted on an axle supported in fixed frictionless bearings....
1. A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5s. What is the angular acceleration(in...

1. A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5s. What is the angular acceleration(in rad/s2) of this device? 2. A flywheel rotating at 20 rpm undergoes an angular acceleration of 2.0 rad/s2 for precisely 5 revolutions. What is the angular velocity of the flywheel at the end of this acceleration?

A 36.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from...

A 36.2-cm diameter disk rotates with a constant angular acceleration of 2.8 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (a) Find the angular speed of the wheel at t = 2.30 s. rad/s (b) Find the linear velocity and tangential acceleration of P at t =...