[填空题]
Suppose a 55-kg person stands at the edge of a 6.5-m diame u+-ndn9 riv0-qxh7 feter merry-go-+rzewg( y j pag(lfu .-4t (lh,nw51xuround turntable that is mounted on frictionl flw4j((anugy+5elwt(1-up .x h z,gr ess 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
