A bicycle tire is spinning counterclockwise at 3.60 rad/s. During a time period At = 1.75 s, the tire is stopped and spun in the opposite (clockwise) direction, also at 3.60 rad/s. Calculate the change in the tire's angular velocity Aw and the tire's average angular acceleration ay. (Indicate the direction with the signs of your answers.) HINT (a) the change in the tire's angular velocity Aw (in rad/s) rad/s (b) the tire's average angular acceleration ay (in rad/s²) rad/s2
A bicycle tire is spinning counterclockwise at 3.60 rad/s. During a time period At = 1.75 s, the tire is stopped and spun in the opposite (clockwise) direction, also at 3.60 rad/s. Calculate the change in the tire's angular velocity Aw and the tire's average angular acceleration ay. (Indicate the direction with the signs of your answers.) HINT (a) the change in the tire's angular velocity Aw (in rad/s) rad/s (b) the tire's average angular acceleration ay (in rad/s²) rad/s2
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 9CQ: Explain why centripetal acceleration changes the direction of velocity in circular motion but not...
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