[填空题]
Suppose a 55-kg person sta egsc.e)oh)8(q 7xe2j(7rpc u; c4 bw b+bhbpgn h kiydt.t c7j: e:t9ag5stp),ds at the edge of a 6.5-m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 170 t.s thj9 :g tctd:aip7),eyk50 $kg \cdot m^2$ 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
