Answer
$2700^\circ/sec$
Work Step by Step
Given $f=450\ cycles/min$, we have $1\ min=60\ sec$ and $1\ cycle=360^\circ$, thus $f=450\times360/60=2700^\circ/sec$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.