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What is difference between Velocity and Speed?

What is difference between Velocity and Speed?

Grade:9

2 Answers

Waqas Ahmed
18 Points
13 years ago

Velocity is Vector quantity while speed is a scalar quantity. 

vikas askiitian expert
509 Points
13 years ago

speed is distance per unit time whearas velocity is displacement per unit time....

speed is scalar quantity and has no direction but velocity is vector and has direction...

eg...

 if a body is performing uniform circular motion of radius R then after complete rotation particle comes to the same point so distance becomes 2pieR but displacement becomes 0..

 so speed = 2pieR/T and velocity =0

from dis it can be said that velocity may be 0 but speed can never be 0...

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