problem09_69

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: -+ = + = I W 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

Ask a homework question - tutors are online