charles123 charles123
  • 18-07-2017
  • Physics
contestada

why is it important to describe both magnitude and direction of a quantity such as velocity

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Mollyskate Mollyskate
  • 18-07-2017
Velocity is  a vector which means that it needs both magnitude and direction to accurately describe the quantity. If you only gave the magnitude, then it would no longer be velocity, but rather speed (a scaler quantity). 
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