[填空题]
Suppose a 55-kg person stands at the edge of a 6.5-m diameter merry-go-roun4p-fc xwudamv7;u( */gvwu*76 jkxj d fty +arp8 cjn;-i )4kwd turntablafkctwp-);ij 8nyr+ 4e 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
