Squid Propulsion
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 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.
What is the squid’s approximate acceleration in g ?
A. 10 g
B. 7.5 g
C. 1.0 g
D. 0.75 g
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