Two ice-skaters, whose masses are45kg and75kg

Two ice-skaters, whose masses are45kg and75kg, hold hands and rotate about a vertical axis that passes between them, making one revolution in2.5s. Their centers of mass are separated by 1.7 m, and their center of mass is stationary. Model each skater as a point particle.(a) Find the angular momentum of the system about it’s center of mass.J·s(b) Find the total kinetic energy of the system.J

 

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