B. Suppose the wheel slows down uniformly, so that decreases by 8x rad/s every 4 s. (The wheel continues spinning in the same direction and has the same orientation.) Specify the angular acceleration a of the wheel by giving its magnitude and, relative to 0, its direction. In linear kinematics we find the acceleration vector by first constructing Av (a change in velocity vector) and then dividing that by At. Describe the analogous steps that you used above to find the angular acceleration a. -Discuss your answers above with a tutorial instructor before continuing.

B. Suppose the wheel slows down uniformly, so that decreases by 8x rad/s every 4 s. (The wheel continues spinning in the same direction and has the same orientation.) Specify the angular acceleration a of the wheel by giving its magnitude and, relative to 0, its direction. In linear kinematics we find the acceleration vector by first constructing Av (a change in velocity vector) and then dividing that by At. Describe the analogous steps that you used above to find the angular acceleration a. -Discuss your answers above with a tutorial instructor before continuing.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 57PQ

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