Question

define velocity and example​

Answer 1

Answer:

the velocity of an object is the rate of change of its position with respect to a frame of reference and it is a function of time velocity is a physically vector quantity both magnitude and direction or needed to define it.

Answer 2

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Term velocity refers to speed of body.

But why it is not called speed?

Because velocity is the speed of a body in ONE DIRECTION. It's unit is m/sec meter per second.

Velocity has both magnitude and direction