You are designing a rotating metal flywheel that will be
Chapter 9, Problem 9.6(choose chapter or problem)
You are designing a rotating metal flywheel that will be used to store energy. The flywheel is to be a uniform disk with radius 25.0 cm. Starting from rest at t = 0, the flywheel rotates with constant angular acceleration 3.00 rad>s 2 about an axis perpendicular to the flywheel at its center. If the flywheel has a density (mass per unit volume) of 8600 kg>m3 , what thickness must it have to store 800 J of kinetic energy at t = 8.00 s?
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