A flying squid (family Ommastrephidae) is able to "jump" off the surface of the sea by taking water into its body cavity and then ejecting the water vertically downward. A 0.80 kg squid is able to eject 0.32 kg of water with a speed of 20 m/s.

Question

(a) What will be the speed of the squid immediately after ejecting the water?


(b) How high in the air will the squid rise?

I wasn't sure what formula to use or how to even start it

Answer 1

a)Consv of mom.
mv (water) = mv (squid)
b)y = v^2/2g