A string is wrapped around a uniform solid cylinder of radius 3.20 cm, as shown

Question

A string is wrapped around a uniform solid cylinder of radius 3.20 cm, as shown in the figure. The cylinder can rotate freely about its axis. The loose end of the string is attached to a block. The block has mass 15.0 kg, and the cylinder has mass 11.8 kg. (1) Find the magnitude of the angular acceleration of the cylinder as the block descends. (2) What is the acceleration of the block? (3) What is the tension in the string?

A string is wrapped around a uniform solid cylinder of radius 3.20 cm, as shown in the figure. The cylinder can rotate freely about its axis. The loose end of the string is attached to a block. The block has mass 15.0 kg, and the cylinder has mass 11.8 kg. (1) Find the magnitude of the angular acceleration of the cylinder as the block descends. (2) What is the acceleration of the block? (3) What is the tension in the string?

Explanation / Answer

i/2 Jr^2 alpha=mgr J=3.14*.32^4 / 32 just place values and get your answer. T-mg=0 T=mg

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