[填空题]
Suppose a 55-kg person stands at the edge of a 6.5-mg9n+(dd/9 uk,h ozj1gc6xu1 d gjb/f0g nnbg8 diameter 6bhp j2n l-4 go pe-k0irdv8l*merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 17 nhr6jk- pivl24eg* pdbl80-o00 $kg \cdot m^2$ 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
