College Physics: A Strategic Approach (4th Edition)
4th Edition
ISBN: 9780134609034
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Textbook Question
Chapter P.2, Problem 14P
Squid Propulsion
Squid usually move by using their tins, but they can utilize a form of “jet propulsion,” ejecting water at high speed to rocket them backward, as shown in Figure II.I. A 4.0 kg squid can slowly draw in and then quickly eject 0.30 kg of water. The water is ejected in 0.10 s at a speed of 10 m/s. This gives the squid a quick burst of speed to evade predators or catch prey.
FIGURE II.1
What is the squid’s approximate acceleration in g?
A. 10g
B. 7.5g
C. 1.0g
D. 0.75g
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Chapter P Solutions
College Physics: A Strategic Approach (4th Edition)
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