3.
As shown in the diagram, two massless wires connect a rotating pole to a sphere. The sphere has mass 7.2 kg and it revolves in a horizontal circle at constant speed. At this particular speed the tension is the same in both wires. What is the speed of the ball?
5.7 m/s
2.9 m/s
4.6 m/s
4.0 m/s
Answers: 1
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As shown in the diagram, two massless wires connect a rotating pole to a sphere. The sphere has...
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