Question: The CD-ROM drive in a computer accelerates a disk from rest to its full speed of 20000 revolutions per minute; it does so uniformly over

The CD-ROM drive in a computer accelerates a disk from rest to its full speed of 20000 revolutions per minute; it does so uniformly over 5 seconds. The disk is 6 cm in radius.(a) Is it correct to write ? = 4000 rev min?1 s?1? Explain.(b) What is the maximum angular velocity in our conventional units of radians per second?(c) What is its angular acceleration?(d) How many times does it spin during this interval?(e) After four seconds, what is the tangential velocity of a point along the edge of the disk? (f) After four seconds, what is the angular velocity of a point along the edge of the disk?(g) After four seconds, how many times has the disc rotated?

2. The CD-ROM drive in a computer accelerates a disk from rest to its full speed of 20000 revolutions per minute; it does so uniformly over 5 seconds. The disk is 6 cm in radius. 1 - s'l? Explain. (a Is it correct to write a = 4000 rev - min (b What is the maximum angular velocity in our conventional units of radians per second? (c What is its angular acceleration? (e After four seconds, what is the tangential velocity of a point along the edge of the disk? ) ) ) (d) How many times does it spin during this interval? ) (f) After four seconds, what is the angular velocity of a point along the edge of the disk? ) (g After four seconds, how many times has the disc rotated

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

Chapter 7: 13. To throw a discus, the thrower holds it with a fully outstretched arm. Starting from rest, he begins to turn with a constant angular acceleration, releasing the discus after making one...

A disk with mass m = 1 0 . 3 kg and radius R = 0 . 3 4 m begins at rest and accelerates uniformly for t = 1 6 . 8 s , to a final angular speed of = 2 6 rad / s . What is the angular acceleration of...

(8%) Problem 4: A disk at rest experiences a constant angular acceleration for t = 45 s, at the end of which it is spinning with a frequency of f = 65 rpm. Please answer the following questions. A...

(20%) Problem 1: A bicycle wheel has a radius r = 0.21 In and rotates at a constant frequency of f = 86 rev/min. Randomized Variables r = 0.21 m f: 86 rev/min D A 50% Part (3) Calculate the period of...

Problem 5: Case 1: A DJ starts up her phonograph player. The turntable accelerates uniformly from rest, and takes t 1 = 10.2 seconds to get up to its full speed of f 1 = 78 revolutions per minute....

Problem 5: At its lowest setting a centrifuge rotates with an angular speed of w1 = 250 rad/s. When it is switched to the next higher setting it takes t = 7.5 s to uniformly accelerate to its final...

A ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center. The disk has mass m d = 2.9 kg and radius R = 0.22 m. The rods each have mass m r = 1.4 kg and length L =...

Calculating with Angular Quantities: Kinematics of Rotation Hint: Each of these questions ask for numerical calculations of the kinematics of rotation. Thus, as a category, you can apply the fourstep...

Assignment 4 of 20 Questions 10% Your score has been saved, but it's taking longer than Resources Ly Give Up? Hint Check Answer Score usual to display. Press to exit full screen 0 of co Attempts An...

When it is at rotating at full speed, a disk drive in a certain old computer game system revolves once every 0 . 0 5 0 seconds. Starting from rest, it takes two revolutions for the disk to reach full...

Let P be a set of points in the plane. A point p E P is Pareto-optimal if no other point in P is both above and to the right of p. The Pareto-optimal points can be connected by horizontal and...

1. Was the CNET story sufficient justification for the HP boards actions? Why or why not? 2. HP Chairwoman Patricia Dunn defended the actions of the board by arguing that HPs higher standards of...

ans Page & Jim packed several cases of fruit juice for sale, Each case contained 24 bases of juice in 3 different varieties. apple, orange and pineapple, in the ratio 2:5:1 respectively (i) How many...

For the Japanese yen: Review the currency options quotations for the foreign currency of concern in The Wall Street Journal, or from an Internet source, and determine the premium that would be paid...

3. Place an M beside the items in the following list that describe a moral hazard problem and an A beside those that describe an adverse selection problem. LO4.6 a. A person with a terminal illness...

2. Jean-Baptiste Colbert was the Minister of Finance under King Louis XIV of France. He famously observed, The art of taxation consists in so plucking the goose as to obtain the largest possible...

3. Efficiency losses _______________. LO4.2 a. Are not possible if suppliers are willing to produce and sell a product. b. Can only result from underproduction. c. Can only result from...