A tachometer is used to measure the rotating speed in rpm of the
flywheel. Suppose the initial reading of the tachometer is 450 rpm,
and after 1 hour, the flywheel completely stops rotating. (a)
Determine the constant angular deceleration of the flywheel (in
rad/sec2), and (b) find the number of revolutions (in rev) it makes in
coming to rest.
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