What is meant by acceleration?What is the formula applied for it? Give examples please.

Acceleration Formula. Acceleration is a measure of how quickly the velocity of an object changes. So, the acceleration is the change in the velocity, divided by the time. Acceleration has a magnitude (a value) and a direction.

Explanation:Examples: particle accelerator,falling,walking,running,orbit of any kind.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

answera compound;