Relative Velocity

Relative Velocity

Relative velocity is a measurement of velocity of an object with respect to other observer. It is defined as the time rate of change of relative position of one object with respect to another.

Relative Velocity
Relative Velocity
Relative Velocity
Relative Velocity

Case-I : When the two objects move with same velocity in the same direction.

Since, VA = VB ⇒VA-VB=0, then the two objects A and B stay at constant distance and graph is a parallel lines.

Relative Velocity
Relative Velocity

Case-II : When VA>VB, VB – VA is negative, then graph is steeper than the other and they meet at a common point.

Relative Velocity
Relative Velocity

Case-III : When VA and VB are of opposite sign.

Relative Velocity
Relative Velocity

Case-IV : If both objects A and B move along parallel straight line in the opposite direction, then

Relative Velocity
Relative Velocity

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