Two uniform solid spheres have the same mass of 1.65 kg, but one has a radius of
Question:
Two uniform solid spheres have the same mass of 1.65 kg, but one has a radius of 0.226 m and the other has a radius of 0.854 m. Each can rotate about an axis through its center.
(a) What is the magnitude τ of the torque required to bring the smaller sphere from rest to an angular speed of 317 rad/s in 15.5 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) τ and
(d) F for the larger sphere?
Step by Step Answer:
We choose directions such that the initial angular velocity is a 317 rads and the val...View the full answer
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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