The angular position as a function of time isgiven as 0 = –1 – 0.6t + 0.25t² with tin%3Dsec and 0 is in radians. At what time is itsangular velocity becomes zero? (changedirection?)Select one:a. 0.5 sb. 2.4 sc. Neverd. 1.2 s

Solution: Given that θ=-1-0.6t+0.25t2where θ in radian,t in seconds

The angular position as a function of time is given as 0 = –1 – 0.6t + 0.25t² with tin - sec and 0 is in radians. At what time is its angular velocity becomes zero? (change direction?) Select one: a. 0.5 s b. 2.4 s c. Never O d. 1.2 s

The angular position as a function of time is given as 0 = –1 – 0.6t + 0.25t² with tin - sec and 0 is in radians. At what time is its angular velocity becomes zero? (change direction?) Select one: a. 0.5 s b. 2.4 s c. Never O d. 1.2 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 3CQ: A baseball bat is swung. Do all points on the bat have the same angular velocity? The same...

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

The angular position as a function of time is
given as 0 = –1 – 0.6t + 0.25t² with tin
%3D
sec and 0 is in radians. At what time is its
angular velocity becomes zero? (change
direction?)
Select one:
a. 0.5 s
b. 2.4 s
c. Never
d. 1.2 s

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