[填空题]
Suppose a 55-kg person stands at t quox xr8 rvv ;ug0a):h;p:nn*he edge of 7t li3 qs,;d-k96j mlu zyvhcyr) 77gqa 6.5-m diameter merry-go-round turntabl-7 m3hc)gsy6zt9d q 7y vkllq iu7j,r;e that is mounted on frictionless bearings and has a moment of inertia of 1700 $kg \cdot m^2$ 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
