Why is velocity a vector whereas speed is a scalar quantity?

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Solution

Velocity:
Velocity is displacement per unit time and has a specific direction.
It contains direction as well as magnitude of a moving object, so velocity is a vector quantity.
Speed:
Speed is distance travelled per unit time.
Speed has no direction, hence it is a scalar quantity.

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Why is velocity a vector whereas speed is a scalar quantity?

Velocity:Velocity is displacement per unit time and has a specific direction.It contains direction as well as magnitude of a moving object, so velocity is a vector quantity.Speed:Speed is distance travelled per unit time.Speed has no direction, hence it is a scalar quantity.

Velocity:
Velocity is displacement per unit time and has a specific direction.
It contains direction as well as magnitude of a moving object, so velocity is a vector quantity.
Speed:
Speed is distance travelled per unit time.
Speed has no direction, hence it is a scalar quantity.