Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Motion in a Plane
0 votes

If a fly wheel makes 120 revolutions per minute then its angular speed will be

\[\begin {array} {1 1} (a)\;8 \pi \;rad/s & \quad (b)\;6 \pi \;rad/s \\ (c)\;4 \pi\; rad/s & \quad  (d)\;2 \pi \;rad/s \end {array}\]

Can you answer this question?

1 Answer

0 votes
$w= 2 n \pi$
$\quad= 2 \pi \times \large\frac{120}{60}\;$$rad/s$
$\quad=4 \pi$
Hence C is the correct answer.
answered Nov 25, 2013 by meena.p
edited May 26, 2014 by lmohan717

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App