What is the average force on the water during the jet? A. (100 mathrm{~N}) B. (30 mathrm{~N})
Question:
What is the average force on the water during the jet?
A. \(100 \mathrm{~N}\)
B. \(30 \mathrm{~N}\)
C. \(10 \mathrm{~N}\)
D. \(3.0 \mathrm{~N}\)
Squid usually move by using their fins, but they can utilize a form of "jet propulsion," ejecting water at high speed to rocket them backward, as shown in Figure II.1. A \(4.0 \mathrm{~kg}\) squid can slowly draw in and then quickly eject \(0.30 \mathrm{~kg}\) of water. The water is ejected in \(0.10 \mathrm{~s}\) at a speed of \(10 \mathrm{~m} / \mathrm{s}\). This gives the squid a quick burst of speed to evade predators or catch prey.
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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