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Motion Along a Coordinate LineGive the positions s =
Chapter 3, Problem 3E(choose chapter or problem)
Problem 3E
Motion Along a Coordinate Line
Give the positions s = ƒ(t)of a body moving on a coordinate line, with s in meters and t in seconds.
a. Find the body’s displacement and average velocity for the given time interval.
b. Find the body’s speed and acceleration at the endpoints of the interval.
c. When, if ever, during the interval does the body change direction?
Questions & Answers
QUESTION:
Problem 3E
Motion Along a Coordinate Line
Give the positions s = ƒ(t)of a body moving on a coordinate line, with s in meters and t in seconds.
a. Find the body’s displacement and average velocity for the given time interval.
b. Find the body’s speed and acceleration at the endpoints of the interval.
c. When, if ever, during the interval does the body change direction?
ANSWER:
Solution:
Step 1 of 4
In this problem, we have to give positions of a body moving with
in meters and
in seconds.
,
.