281_PartUniversity Physics Solution

# 281_PartUniversity Physics Solution - Rotation of Rigid...

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9-4 Chapter 9 EVALUATE: We could also use 0 0 2 zz t ωω θθ + ⎛⎞ −= ⎜⎟ ⎝⎠ to calculate 0.500 s t = . Then 0 z t ω ωα =+ gives 2 8.00 rad/s z α = , which agrees with our results in part (b). 9.13. IDENTIFY: Use a constant angular acceleration equation and solve for 0 . z SET UP: Let the direction of rotation of the flywheel be positive. EXECUTE: 2 1 00 2 z z t θ θω −= + gives 2 0 11 0 22 60.0 rad (2.25 rad/s )(4.00 s) 10.5 rad/s 4.00 s t =− = = .
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## This note was uploaded on 07/16/2011 for the course PHY 2053 taught by Professor Buchler during the Spring '06 term at University of Florida.

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281_PartUniversity Physics Solution - Rotation of Rigid...

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