Question

1. Arithmetic is where numbers *
(1 Point)
Swim like fish in the water
Fly like crows in the sky.
Fly like pigeons in and out of your
head
Fly like an aeroplane in the sky.​

Answer 1

Answer:

A fish is rising up veritcally inside a pond with velocity

and notices a bird, which is dividing downward and its velocity appear to be

(to fish). What is the real velocity of the diving bird, if refractive index of water is