Two uniform solid spheres have the same mass of 1.77 kg, but one has a radius of 0.208 m and the other has a radius of 0.879 m. Each can rotate about an axis through its center. (a) What is the magnitude T of the torque required to bring the smaller sphere from rest to an angular speed of 205 rad/s in 18.7 s? (b) What is the magnitude F of the force that must be applied tangentially at the sphere's equator to give that torque? What are the corresponding values of (c) T and (d) F for the larger sphere? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units

Two uniform solid spheres have the same mass of 1.77 kg, but one has a radius of 0.208 m and the other has a radius of 0.879 m. Each can rotate about an axis through its center. (a) What is the magnitude T of the torque required to bring the smaller sphere from rest to an angular speed of 205 rad/s in 18.7 s? (b) What is the magnitude F of the force that must be applied tangentially at the sphere's equator to give that torque? What are the corresponding values of (c) T and (d) F for the larger sphere? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 11P: A disk 8.00 cm in radius rotates at a constant rate of 1200 rev/min about its central axis....

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