Question
Thu February 28, 2008 By:

difference between speed and velocity

Expert Reply
Fri February 29, 2008

Parameters

Speed

Velocity

Definition

Distance traveled by a body in unit time

Distance traveled by a body in a particular direction in unit time

Scalar/Vector

Scalar

Vector

Physical interpretation

Speed tells how fast a body moves

Velocity tells the direction of the body and how fast a body is moving

Sign

Always positive

Can be negative, positive or even zero

Rgds

Expert

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