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A disk radius R = 0.2m and unknown mass M can rotate with out fruction in the vertical plane around a pin- fixed to its Centre 0. A wire is wrapped around the of mass disk. A Toint M = 0,15 kq ys tied to the wire. ng At the beginning, the system is at rest. At time t²03, the point is left free to move. At time to the point has dropped of a height h = 1.5m and its se velocity is № 1,5 mbs. At the same time to the wire breaks and the point falls. Determine: a) the acceleration before the wire breaks M the tension of the wire. 5) the mass of the disk and the Nelocity of the center. mass of the system at time ts - At time to a and St friction moment T = 0.5 μm begins to act on the disk. Determine the number of rounds f covered by the disk before it stops..

A disk radius R = 0.2m and unknown mass M can rotate with out fruction in the vertical plane around a pin- fixed to its Centre 0. A wire is wrapped around the of mass disk. A Toint M = 0,15 kq ys tied to the wire. ng At the beginning, the system is at rest. At time t²03, the point is left free to move. At time to the point has dropped of a height h = 1.5m and its se velocity is № 1,5 mbs. At the same time to the wire breaks and the point falls. Determine: a) the acceleration before the wire breaks M the tension of the wire. 5) the mass of the disk and the Nelocity of the center. mass of the system at time ts - At time to a and St friction moment T = 0.5 μm begins to act on the disk. Determine the number of rounds f covered by the disk before it stops..

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Problem 2. A disk of radius R = 0.2m and Unknown Mass M can rotate without fruction in the vertical plane around a pin fixed to its Centre 0. A wire is wrapped around the disk. A Toint of mass m² = 0,15 ng us tied to the wire. At the beginning, the system is at rest. At time tz0o, the point is left free to move. At time to the point has dropped of a height h = 1.5m and its se velocity is √ = 1,5 m/s. At the same time to the wire breaks and the point falls. Determine: a) the acceleration before the tension of the wire. b) the mass of Mass of o At time to a the wire breaks and of the disk and the Nelocity of the center. the system of time t₁ friction moment T = 0.5 μm begins rounds to act on the disk. Determine the number of covered by the disk before it stops.
Transcribed Image Text:Problem 2. A disk of radius R = 0.2m and Unknown Mass M can rotate without fruction in the vertical plane around a pin fixed to its Centre 0. A wire is wrapped around the disk. A Toint of mass m² = 0,15 ng us tied to the wire. At the beginning, the system is at rest. At time tz0o, the point is left free to move. At time to the point has dropped of a height h = 1.5m and its se velocity is √ = 1,5 m/s. At the same time to the wire breaks and the point falls. Determine: a) the acceleration before the tension of the wire. b) the mass of Mass of o At time to a the wire breaks and of the disk and the Nelocity of the center. the system of time t₁ friction moment T = 0.5 μm begins rounds to act on the disk. Determine the number of covered by the disk before it stops.
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