A discus in the hand of an elite athlete smoothly accelerates from a linear velocity of 0 m.s at the start of the rotation, to 23 m.s at release. What is the change in angular velocity if his arm is n/3 metres long? radians/s What is the average angular acceleration if this change was achieved in 1.8 seconds? radians/s? What is the average tangential acceleration in this period? mys? What is the centripetal acceleration, after I second? mys? What is the total linear acceleration at 1 second? m/s?

A discus in the hand of an elite athlete smoothly accelerates from a linear velocity of 0 m.s at the start of the rotation, to 23 m.s at release. What is the change in angular velocity if his arm is n/3 metres long? radians/s What is the average angular acceleration if this change was achieved in 1.8 seconds? radians/s? What is the average tangential acceleration in this period? mys? What is the centripetal acceleration, after I second? mys? What is the total linear acceleration at 1 second? m/s?

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 36P: The angular position of a rod varies as 20.0t2radians from time t=0 . The rod has two beads on it as...

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