A toy gyroscope consists of a 170-g disk with a radius
Chapter 11, Problem 11.54(choose chapter or problem)
A toy gyroscope consists of a 170-g disk with a radius of5.5 cm mounted at the center of a thin axle 21 cm long(Fig. 11-41). The gyroscope spins at 45 rev/s. One end of itsaxle rests on a stand and the other end precesses horizontallyabout the stand, (a) H ow long does it take the gyroscopeto precess once around? (b) If all the dimensions of thegyroscope were doubled (radius = 11cm, axle = 42 cm),how long would it take toprecess once?FIGURE 11-41 Awheel,rotating about a horizontalaxle supported at one end,precesses. 54,55,and 56.
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