The function s(t) describes the motion of a particle along a line. (a) Find the velocity function of the particle at any time t ≥ 0. (b) Identify the time interval(s) on which the particle is moving in a positive direction. (c) Identify the time interval(s) on which the particle is moving in a negative direction. (d) Identify the time(s) at which the particle changes direction.                                 s(t) = t3 − 5t2 + 4t

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section2.1: Average Velocity
Problem 2.1QQ: Under which of the following conditions is the magnitude of the average velocity of a particle...
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The function s(t) describes the motion of a particle along a line. (a) Find the velocity function of the particle at any time t ≥ 0. (b) Identify the time interval(s) on which the particle is moving in a positive direction. (c) Identify the time interval(s) on which the particle is moving in a negative direction. (d) Identify the time(s) at which the particle changes direction.                                 s(t) = t3 − 5t2 + 4t

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