problem10_89

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
10.89: a) The initial angular momentum is ( 29 2 l mv L = and the final moment of inertia is ( 29 , 2 2 0 l m I I + = so ( 29 ( 29 ( 29 s. rad 46 . 5 2 3 2 2 2 = + = l m l M l mv ω b) ( 29 ( 29 , 2 1 2 I ω gh m M = + and after solving for h and substitution of numerical values, m. 10 16 . 3 2 - × = h c) Rather than recalculate the needed value of
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: , note that will be proportional to v and hence h will be proportional to ; 2 v for the board to swing all the way over, m. 250 . = h and so ( 29 s. m 1012 s m 360 m 0.0316 m 250 . = = v...
View Full Document

Ask a homework question - tutors are online