A bird in a air looks a fish vertically below it inside water. x is the height of the bird above the surface of water and y is the depth of fish below the surface of water if refractive index of water with respect to air is the distance of fish as observed by bird is? ​

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

f=ma newton's second law 7x8=56n

a sonic boom is a loud boom that breaks the sound barrier

explanation:

the components of a vector are the parts of the vectors that are to each other.

b perpendicular