[填空题]
Suppose a 55-kg persk0qg(;;hn1 ne +k u i8k,qymloonv7b*rrgb3b xbu t e 8pv4t/7+m stands at the edge of a 6.5-m diameter merry-go-round turnta78rpb bu m+ *xtvbvb /re3gt74ble 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
