Work Step by Step
The period is the time it takes to complete one revolution. We know that the blade completes 1200 revolutions in one minute, therefore, one revolution takes 1minute/1200 = 0.05 seconds to complete
You can help us out by revising, improving and updating this answer.Update this answer
After 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.