A 080 kg ball and a 420 kg ball are connected by a 780 cm
A 0.80 kg ball and a 4.20 kg ball are connected by a 78.0 cm long massless, rigid rod. The structure rotates about its center of mass at 250 rpm. What is the rotational kinetic energy of the structure?
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a 080 kg ball and a 420 kg ball are connected by a 780 cm long massless rigid rod the structure rotates about its
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