Item 21 You are designing a rotating metal flywheel that will be used to store energy. The flywheel is to be a uniform disk with radius 29.0 cm. Starting from rest at t =0, the flywheel rotates with Part A constant angular acceleration 3.00 rad/s about an axis perpendicular to the flywheel at its center. If the flywheel has a density (mass per unit volume) of 8600 kg/m, what thickness must it have store 800 J of kinetic ener Express your answer with the appropriate units. HA h = Value Units Submit Request Answer Provide Feedback

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Item 21
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21
You are designing a rotating metal flywheel that will be used to
store energy. The flywheel is to be a uniform disk with radius
29.0 cm. Starting from rest at t = 0, the flywheel rotates with
constant angular acceleration 3.00 rad/s about an axis
perpendicular to the flywheel at its center.
Part A
If the flywheel has a density (mass per unit volume) of 8600 kg/m', what thickness must it have to store 800 J of kinetic energy at t = 8.00 s?
Express your answer with the appropriate units.
HA
?
h = Value
Units
Submit
Request Answer
Provide Feedback
Nex
DII
DD
OOD
80
888
F9
F10
esc
F7
FB
F3
F4
F5
F6
F1
F2
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Transcribed Image Text:Item 21 Hide Timer 21 You are designing a rotating metal flywheel that will be used to store energy. The flywheel is to be a uniform disk with radius 29.0 cm. Starting from rest at t = 0, the flywheel rotates with constant angular acceleration 3.00 rad/s about an axis perpendicular to the flywheel at its center. Part A If the flywheel has a density (mass per unit volume) of 8600 kg/m', what thickness must it have to store 800 J of kinetic energy at t = 8.00 s? Express your answer with the appropriate units. HA ? h = Value Units Submit Request Answer Provide Feedback Nex DII DD OOD 80 888 F9 F10 esc F7 FB F3 F4 F5 F6 F1 F2 &
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