[填空题]
Suppose a 55-kg person stands at the edge of a 6.5-m diameter sn(gr9 m+qje0;2+ ot8 vmzi vxmerry-gd)b8hlzeva2. r3xdb x9b t9d (o-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1700b9 d xh38(ld9avd rbtzbe).2 x $kg \cdot m^2$ The turntable is at rest initially, but when the person begins running at a speed of 3.8 $m/s$ (with respect to the turntable) around its edge, the turntable begins to rotate in the opposite direction. Calculate the angular velocity of the turntable. $rad/s$
Post time 2025-2-18 20:00:22
