Physics, 06.06.2020 22:00, kennrecklezz

The pendulum of the Charpy impact machine has a mass of 50kg and a radius of gyration of 1.75 A k m = . If it is released from rest when 0 o  = , determine its angular velocity just before it strikes the specimen S located at 90o  = .

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The pendulum of the Charpy impact machine has a mass of 50kg and a radius of gyration of 1.75 A k m...