At t ! 0, a flywheel has an angular velocity of 4.7 rad/s,

Chapter , Problem 17

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At t ! 0, a flywheel has an angular velocity of 4.7 rad/s, a constant angular acceleration of %0.25 rad/s2 , and a reference line at u0 ! 0. (a) Through what maximum angle umax will the reference line turn in the positive direction? What are the (b) first and (c) second times the reference line will be at ? At what (d) negative time and (e) positive time will the reference line be at 10.5 rad? (f) Graph u versus t, and indicate your answers.

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