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Question 1

Distinguish between speed and velocity.

Answer
Speed Velocity
The distance travelled by a moving object per unit time is called its speed. It does not have any direction. The distance travelled by moving an object in a particular direction per unit time is called its velocity. It has a unique direction.

Speed is given by the relation:

Velocity is given by the relation:

It is a scalar quantity. It is a vector quantity.

 

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