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Is speed the rate of change in the velocity of a moving body?

User GertVdE
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1 Answer

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21 votes

No, speed is the rate of change of distance.

Velocity is the rate of change of displacement.

Distance is scalar quantity, it has just magnitude.

Displacement is vector quantity, it has both magnitude as well as direction. So, speed and velocity are scalar and vector respectively too.

User Saurabh Gour
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