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The flywheel of a steam engine runs with a constant angular speed of 156 rev/min. When steam is shut off, the friction of the bearings and of the air brings the wheel to rest in 2.20 h. (a) What is the constant angular acceleration of the wheel, in rev/min2? (b) How many rotations will the wheel make before coming to rest? (c) What is the tangential linear accelerationof a particle 52.4 cm from the axis of rotation when the flywheel is turning at 72.5 rev/min? (d) What is the magnitude of the total linear acceleration of the particle in part (c)?
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