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The ropes in (Figure 1) are each wrapped around a cylinder, and the two cylinders are...

The ropes in (Figure 1) are each wrapped around a cylinder, and the two cylinders are fastened together. The smaller cylinder has a diameter of 10 cm and a mass of 2.5 kg ; the larger cylinder has a diameter of 20 cm and a mass of 18 kg .

What is the angular acceleration of the cylinders?

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