A boat is cruising in a straight line at a constant speed of 2.5 m/s when it is shifted into neutral. After coasting 14 m the engine is engaged again, and the boat resumes cruising at the reduced constant speed of 1.5 m/s.

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
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 55P
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**just part B

Review
A boat is cruising in a straight line at a constant
speed of 2.5 m/s when it is shifted into neutral.
After coasting 14 m the engine is engaged again,
and the boat resumes cruising at the reduced
constant speed of 1.5 m/s.
Part A
Assuming constant acceleration while coasting, how much time did it take for the boat to coast the 14 m?
Express your answer using two significant figures.
ΑΣφ
?
t =
S
Submit
Request Answer
Part B
What was the boat's acceleration while it was coasting?
Express your answer using two significant figures.
m/s?
a =
Transcribed Image Text:Review A boat is cruising in a straight line at a constant speed of 2.5 m/s when it is shifted into neutral. After coasting 14 m the engine is engaged again, and the boat resumes cruising at the reduced constant speed of 1.5 m/s. Part A Assuming constant acceleration while coasting, how much time did it take for the boat to coast the 14 m? Express your answer using two significant figures. ΑΣφ ? t = S Submit Request Answer Part B What was the boat's acceleration while it was coasting? Express your answer using two significant figures. m/s? a =
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