A grinding stone in the form of a solid cylinder has a radius of 0.5 m and mass 20 kg. The moment of inertia about the central axis is 2.5 kg m². What is the magnitude of the torque that will bring it to rest if its angular velocity is 300 rev/min in 10 s?
University of Ilorin PHY101 2026-exam past question
- 9.86 Nm
- 7.86 Nm
- 8.86 Nm
- 7.85 Nm
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