# Rotation of a Rigid Body

An electric ceiling fan is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s . The angular acceleration is 0.911 rev/s^2 . Its blades form a circle of diameter 0.720m .

a) Through how many revolutions has the blade turned in the time interval 0.201s?

b) What is the tangential speed v_tan (in m/s) of a point on the tip of the blade at time 0.201s?

c) What is the magnitude of the resultant acceleration (in m/s^2)of a point on the tip of the blade at time 0.201s?

https://brainmass.com/physics/rotation/rotation-of-a-rigid-body-27489

#### Solution Preview

Hello and thank you for using Brainmass!

The solution is attached below in two files. The files are identical in content, only ...

#### Solution Summary

Calculations and full solutions are provided in the attached Word and PDF documents. 225 words in addition to formulas and calculations. Three website sources with background information for the student are included.