![A ballet dancer spins about a vertical axis 90 rpm with arms outstretched . With the arms folded, the moment of inertia about the same axis of rotation changes to 75 A ballet dancer spins about a vertical axis 90 rpm with arms outstretched . With the arms folded, the moment of inertia about the same axis of rotation changes to 75](https://dwes9vv9u0550.cloudfront.net/images/2263954/4d332785-9a1e-4b78-a1a8-e49a20e675ef.jpg)
A ballet dancer spins about a vertical axis 90 rpm with arms outstretched . With the arms folded, the moment of inertia about the same axis of rotation changes to 75
![SOLVED:Express each of the following in radians per second: (a) 720 rpm; (b) 50^∘ / h ; (c) 1000 rev / s (d) 1 rev/year (Earth's angular speed in its orbit). SOLVED:Express each of the following in radians per second: (a) 720 rpm; (b) 50^∘ / h ; (c) 1000 rev / s (d) 1 rev/year (Earth's angular speed in its orbit).](https://cdn.numerade.com/previews/928bda33-f7e0-4819-86cc-0fe21e2c11db_large.jpg)
SOLVED:Express each of the following in radians per second: (a) 720 rpm; (b) 50^∘ / h ; (c) 1000 rev / s (d) 1 rev/year (Earth's angular speed in its orbit).
A wheel has a speed of 1200 revolutions per minute and is made to slow down at a rate of 4 rad/s^2 . The no. of revolutions it makes before coming to
![OpenStax College Physics Solution, Chapter 10, Problem 2 (Problems & Exercises) | OpenStax College Physics Answers OpenStax College Physics Solution, Chapter 10, Problem 2 (Problems & Exercises) | OpenStax College Physics Answers](https://video-thumbs.collegephysicsanswers.com/ed1/ch10/ed1ch10pe02/thumbs-ed1ch10pe02-00002.png)
OpenStax College Physics Solution, Chapter 10, Problem 2 (Problems & Exercises) | OpenStax College Physics Answers
![SOLVED:An airplane propeller is rotating at 1900 rpm (rev/min). (a) Compute the propeller's angular velocity in rad/s. (b) How many seconds does it take for the propeller to turn through 35 ^∘? SOLVED:An airplane propeller is rotating at 1900 rpm (rev/min). (a) Compute the propeller's angular velocity in rad/s. (b) How many seconds does it take for the propeller to turn through 35 ^∘?](https://cdn.numerade.com/previews/3ba9c6f0-680f-4e9c-894e-096e298e98a9_large.jpg)