How to Convert Rotations per/sec to radians per second

[KTiaam]

Homework Statement

How do you convert Rotations per/sec to radians/sec

Ex:

a disk rotates 15 times in 25 seconds convert to radians/sec

Attempt:

15 rotations / 25 seconds

=

1 rotation / 0.6 seconds

1 rotations = 2 pi rad

 

[KTiaam]

https://www.physicsforums.com/showthread.php?t=70443

 

[Dick]

It's just what you said. It (2*pi*rotations)/seconds.