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Velocity

Definition: Velocity is the rate of change of an object's position with respect to time, including both speed and direction.

Vector Quantity: Unlike speed, velocity has both magnitude and direction.

Formula : Velocity= Displacement / Time

SI Unit: Meters per second (m/s).

Types:

  • Uniform Velocity: When an object moves with a constant velocity.
  • Variable Velocity: When an object’s speed or direction changes.
  • Instantaneous Velocity: The velocity of an object at a specific instant.
  • Average Velocity: Total displacement divided by total time.
  • Relation to Acceleration: A change in velocity over time results in acceleration.

Example: A car moving at 60 km/h eastward has a velocity of 60 km/h east.