8. A 3 kg uniform disk has a radius of 2 m. An external torque of 10 N-m is applied to the outside of the hoop for 10 sec. m What is the angular acceleration? b. What is its angular speed after 10 sec? c. How much KE does the disk have after 10 sec.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 110AP: With the aid of a string, a gyroscope is accelerated from rest to 32 rad/s in 0.40 s under a...
icon
Related questions
Question

Need help on this question

8. A 3 kg uniform disk has a radius of 2 m. An external torque of 10 N-m is applied to the outside of
the hoop for 10 sec.
m
а.
What is the angular acceleration?
b.
What is its angular speed after 10 sec?
с.
How much KE does the disk have after 10 sec.
d. How much work did the external torque do on the disk?
е.
What is the linear velocity of a point on the outside of the disk after 10 sec?
Transcribed Image Text:8. A 3 kg uniform disk has a radius of 2 m. An external torque of 10 N-m is applied to the outside of the hoop for 10 sec. m а. What is the angular acceleration? b. What is its angular speed after 10 sec? с. How much KE does the disk have after 10 sec. d. How much work did the external torque do on the disk? е. What is the linear velocity of a point on the outside of the disk after 10 sec?
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Space-time
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
University Physics Volume 1
University Physics Volume 1
Physics
ISBN:
9781938168277
Author:
William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:
OpenStax - Rice University
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
Physics
ISBN:
9781133104261
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781285737027
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
Physics for Scientists and Engineers: Foundations…
Physics for Scientists and Engineers: Foundations…
Physics
ISBN:
9781133939146
Author:
Katz, Debora M.
Publisher:
Cengage Learning