Question

what id instantenous velocity

Answer 1

Instantaneous velocity is the velocity of an object in motion at a specific point in time. This is determined similarly to average velocity, but we narrow the period of time so that it approaches zero. If an object has a standard velocity over a period of time, its average and instantaneous velocities may be the same.

Answer 2

Instantaneous velocity is defined as the rate of change of position for a time interval which is very small (almost zero). ... As this time interval approaches zero, the displacement also approaches zero. But the limit of the ratio of displacement and time is non zero and is called the instantaneous velocity.