Explanation:
A is excretion
B is digestion
so my guess is c
Hypothesis
I think
I hope this helps tho
Answer:
vf=11.67m/s
vf:
Δp=m(vf-vi)
80=12(vf-5)
80=12vf-60
140=12vf
pf:
p=m*v
p=12*11.67
p=140.04 N*s
Hope this helps