[填空题]
Suppose a 55-kg person stc m ;ni-mjm;m *upab2*ands at the edge of a 6.5-m diameq bf5 5qvmjng ,5goxl 4,j. snlwi2o*1ter merry-go-round turntable that is mounted on frictionless bear x1o5g,jsji4. qon m5blv5qlwf ,n*g2ings 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
