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13 January, 17:35

Which of these is a scalar quantity?

A. acceleration

B. displacement

C. length

D. velocity

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Answers (1)
  1. 13 January, 20:11
    0
    Lenght is scalar quantity

    Scalar involves only magnitude while vector involves magnitude in a certain direction. That's why there can be negative velocity, displacement and acceleration but no negative length. When it is negative it means the magnitude of the quantity is in the opposite direction.
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