Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Promoted
Physics ASAP!?(1/2)?
A record has an angular speed of
37.3 rev/min.
What is its angular speed?
Answer in units of rad/s.
Through what angle does it rotate in 1.59 s?
Answer in units of rad.
1 Answer
Relevance
- oldschoolLv 76 days agoFavorite Answer
This is an exercise in dimensional analysis.
37.3 rev/min * 2π radians/rev * 1min/60s = ω = 74.6π/60 = 3.91 rad/s <<<<
Use the rotational equivalent of d = Vo*t + ½at²
Θ = ωo*t + ½*α*t² = 3.91*1.59 + ½*0*1.59² = 6.21 radians
Still have questions? Get your answers by asking now.