University Physics with Modern Physics with Mastering Physics (11th Edition)

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
9.69: a) Expressing angular frequencies in units of revolutions per minute may be accomodated by changing the units of the dynamic quantities; specifically, min. rev 211 min rev s rad 30 m kg 16.0 ) J 4000 ( 2 min) rev 300 ( 2 2 2 2 2 1 2 =
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: π ⋅-+ = + = I W ω ω b) At the initial speed, the 4000 J will be recovered; if this is to be done is 5.00 s, the power must be W. 800 s 5.00 J 4000 =...
View Full Document

This document was uploaded on 02/04/2008.

Ask a homework question - tutors are online