25 The position of a body moving on a coordinate line is given by s = t2 for 1

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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25
5
The position of a body moving on a coordinate line is given by s =
for 1 ≤ t ≤ 5, with s in meters and t in seconds.
t²
t
(a) Find the body's displacement and average velocity for the given time interval.
Displacement
=
m
Average velocity=
m/s
(b) Find the body's velocity at the endpoints of the interval.
Velocity at t = 1 is
m/s
Velocity at t = 5 is
m/s
(c) Find the body's acceleration at the endpoints of the interval.
Acceleration at t
=
1 is
m/s²
Acceleration at t = 5 is
m/s²
(d) When, if ever, during the interval does the body change direction? If there is more than one answer, enter a comma separated list. If the body
changes direction during the interval, enter NONE.
t =
S
A
ID
←
ID
->
Transcribed Image Text:25 5 The position of a body moving on a coordinate line is given by s = for 1 ≤ t ≤ 5, with s in meters and t in seconds. t² t (a) Find the body's displacement and average velocity for the given time interval. Displacement = m Average velocity= m/s (b) Find the body's velocity at the endpoints of the interval. Velocity at t = 1 is m/s Velocity at t = 5 is m/s (c) Find the body's acceleration at the endpoints of the interval. Acceleration at t = 1 is m/s² Acceleration at t = 5 is m/s² (d) When, if ever, during the interval does the body change direction? If there is more than one answer, enter a comma separated list. If the body changes direction during the interval, enter NONE. t = S A ID ← ID ->
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