AliBlake15 AliBlake15
  • 21-10-2016
  • Physics
contestada

why is speed classified as a scalar quantity and velocity classified as a vector quantity?

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Blanablas
Blanablas Blanablas
  • 21-10-2016
Scalars have just magnitude, but vectors have magnitude /and/ direction. This is why speed, a magnitude describing how fast something is, is not a scalar quantity; but velocity, which is speed and a direction, is.
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zexius
zexius zexius
  • 21-10-2016
Speed is classified as a scalar quantity and does not describe the direction.

Velocity is classified as a vector quantity as it describes both magnitude and direction. 
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