menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
A 12.0-g cd with a radius of 5.81 cm rotates with an angular speed of 33.2 rad/s. what is its kinetic energy?
asked
Sep 26, 2018
202k
views
2
votes
A 12.0-g cd with a radius of 5.81 cm rotates with an angular speed of 33.2 rad/s. what is its kinetic energy?
Physics
college
Marecky
asked
by
Marecky
7.5k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
6
votes
use the formula 1/2*I*w^2 where w is the angular speed and I is the rotaional inirtia (for disk it is .5*mass*radius^2).
Han Zhengzu
answered
Oct 3, 2018
by
Han Zhengzu
8.2k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
May 28, 2024
99.6k
views
The flywheel rotates with an angular velocity of ω = (0.005θ2 ) rad/s, where θ is in radians. Determine the angular accelerations when it has rotated 20 revolutions.
Dmytro Shevchenko
asked
May 28, 2024
by
Dmytro Shevchenko
7.7k
points
Physics
high-school
2
answers
2
votes
99.6k
views
asked
Mar 7, 2024
176k
views
A 30cm diameter wheel rotates with a constant angular acceleration of 2.00 rad/s2. It starts from rest at t = 0, and a chalk line drawn to a point, P, on the rim of the wheel makes an angle of 37.1° with
Jma
asked
Mar 7, 2024
by
Jma
8.7k
points
Physics
high-school
1
answer
1
vote
176k
views
asked
Jul 13, 2024
62.4k
views
A circular loop with a radius of 12 cm is located perpendicularly inside a magnetic field of 0.6 T. The loop rotates with an angular velocity of 50 rad / s. What emf (∈) is induced in the loop? A. element
FlyingPickle
asked
Jul 13, 2024
by
FlyingPickle
8.3k
points
Physics
high-school
1
answer
1
vote
62.4k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
What is the minimum resistance which can be made using five resistors each of 1/5
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org