HomeworkLib
Question

A certain CD has a playing time of 68 minutes. When the music starts, the CD...

A certain CD has a playing time of 68 minutes. When the music starts, the CD is rotating at an angular speed of 5.00 × 10 2 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.30 × 10 2 rpm. Find the magnitude of the average angular acceleration of the CD. Express your answer in rad/s².

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A certain CD has a playing time of 68 minutes. When the music starts, the CD...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A certain CD has a playing time of 80 minutes. When the music starts, the CD...

    A certain CD has a playing time of 80 minutes. When the music starts, the CD is rotating at an angular speed of 4.60×1024.60×102 revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.20×1022.20×102 rpm. Find the magnitude of the average angular acceleration of the CD. Express your answer in rad/s².

  • A certain CD has a playing time of 78 minutes. When the music starts, the CD...

    A certain CD has a playing time of 78 minutes. When the music starts, the CD is rotating at an angular speed of 4.50×1024.50×102revolutions per minute (rpm). At the end of the music, the CD is rotating at 2.00×1022.00×102 rpm. Find the magnitude of the average angular acceleration of the CD. Express your answer in rad/s².

  • At the start of a CD it is spinning at a rate of 533 rpm (revolutions...

    At the start of a CD it is spinning at a rate of 533 rpm (revolutions per minute). Just as the CD finishes playing it is spinning at a rate of 241 rpm. While playing, the CD undergoes a constant angular acceleration of -7.65·10-3 rad/s2. Find the angle through which the CD has rotated during its playing time. (in rad) B)Find the playing time.

  • At the start of a CD it is spinning at a rate of 525 rpm (revolutions...

    At the start of a CD it is spinning at a rate of 525 rpm (revolutions per minute). Just as the CD finishes playing it is spinning at a rate of 231 rpm. While playing, the CD undergoes a constant angular acceleration of -7.93·10-3 rad/s2. Find the angle through which the CD has rotated during its playing time. (in rad) Find the playing time. (in s)

  • #49 #74 REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A...

    #49 #74 REAL-WORLD APPLICATIONS 58. A truck with 32-inch diameter wheels is traveling at 59. A bicycle with 24-inch diameter wheels is traveling at 60 mi/h. Find the angular speed of the wheels in 15 mi/h. Find the angular speed of the wheels in rad/ rad/min. How many revolutions per minute do the min. How many revolutions per minute do the wheels wheels make? make? 60. A wheel of radius 8 inches is rotating 15°/s. What is 61. A wheel...

  • 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 CD starts from rest and reaches 500 rpm in 1.3 seconds. Find the angular acceleration....

    A CD starts from rest and reaches 500 rpm in 1.3 seconds. Find the angular acceleration. How many radians are completed during this time. Does a CD have constant angular speed or constant linear speed?

  • 1. When a point on the edge of a DVD (radius 6.0 cm) moves along an...

    1. When a point on the edge of a DVD (radius 6.0 cm) moves along an arc of length 120 cm, through what multiple of π rad does the disk turn? 2. With an angular velocity of 3.4π rad/s, how much time is required to complete 11 complete revolutions? 3. The blades of a kitchen blender rotate counterclockwise at 2.2x10^4 rpm (revolutions per minute) a top speed. It takes the blender 2.1 seconds to reach this top speed after being...

  • A merry-go-round starts from rest and accelerates with angular acceleration 0.010 rad/s^2 for 22 s ....

    A merry-go-round starts from rest and accelerates with angular acceleration 0.010 rad/s^2 for 22 s . Part A How many revolutions does it make during this time? Express your answer using two significant figures. delta theta=rev Part B What is its average angular speed? Express your answer using two significant figures. Wav=rad/s

  • A merry-go-round starts from rest and accelerates with angular acceleration 0.020 rad/s2 for 18 s ....

    A merry-go-round starts from rest and accelerates with angular acceleration 0.020 rad/s2 for 18 s . How many revolutions does it make during this time? Express your answer using two significant figures. What is its average angular speed? Express your answer using two significant figures.

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT