A point on the rim of a 80 cm diameter tire wheel changes speed uniformly from 13.1 m/s to 19.6 m/s in 6.7 s. What is the magnitude of the angular acceleration of the wheel during this interval? (in rad/s^2)O 10.2O 8.23O 0.808O 2,43O 6.43Submit Answer Tries 0/1

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Answered: A point on the rim of a 80 cm diameter…

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 20PQ: A wheel starts from rest and in 12.65 s is rotating with an angular speed of 5.435 rad/s. a. Find...

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A disk 8.00 cm in radius rotates at a constant rate of 1200 rev/min about its central axis. Determine (a) its angular speed in radians per second, (b) the tangential speed at a point 3.00 cm from its center, (c) the radial acceleration of a point on the rim, and (d) the total distance a point on the rim moves in 2.00 s.
A wheel is rotating about a fixed axis with constant angular acceleration 3 rad/s2. At different moments, its angular speed is 2 rad/s, 0. and +2 rad/s. For a point on the rim of the wheel, consider at these moments the magnitude of the tangential component of acceleration and the magnitude of the radial component of acceleration. Rank the following five items from largest to smallest: (a) |at| when = 2 rad/s, (b)|ar| when = 2 rad/s, (c)|ar| when = 0, (d) |at| when = 2 rad/s, and (e) |ar| when = 2 rad/s. If two items are equal, show them as equal in your ranking. If a quantity is equal to zero, show that fact in your ranking.
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A point on the rim of a 80 cm diameter tire wheel changes speed uniformly from 13.1 m/s to 19.6 m/s in 6.7 s. What is the magnitude of the angular acceleration of the wheel during this interval? (in rad/s^2) O 10.2 O 8.23 O 0.808 O 2,43 O 6.43 Submit Answer Tries 0/1