Squids and octopuses propel themselves by expelling water.They do this by keepin

Question

Squids and octopuses propel themselves by expelling water.They do this by keeping water in a cavity and then suddenlycontracting the cavity to force the water through an opening. A7.00 kg squid (including water in the cavity) at rest sees adangerous preadator. A) If the squid has 1.85 kg of water in its cavity, at whatspeed must it expel its water to suddenly achieve a speed of 2.40m/s to escape the predator? Neglect any drag affects of thesurrounding water. B) How much kinetic energy does the squid create by thismanuever? Squids and octopuses propel themselves by expelling water.They do this by keeping water in a cavity and then suddenlycontracting the cavity to force the water through an opening. A7.00 kg squid (including water in the cavity) at rest sees adangerous preadator. A) If the squid has 1.85 kg of water in its cavity, at whatspeed must it expel its water to suddenly achieve a speed of 2.40m/s to escape the predator? Neglect any drag affects of thesurrounding water. B) How much kinetic energy does the squid create by thismanuever?

Explanation / Answer

So the equation for the conservation of momentum equation is:K1 + U1 = K2 + U2? I'vejust been having a hard time getting a start on this one.

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