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3 June, 19:36

Which of these can NOT be negative?

a. acceleration and momentum.

b. speed and velocity.

c. distance and speed.

d. displacement and distance.

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Answers (1)
  1. 3 June, 19:44
    0
    Any quantity that has a direction (a 'vector' quantity) is negative

    whenever it happens to be opposite to the direction you call positive.

    Acceleration, momentum, velocity, and displacement are all vectors.

    The only choice that doesn't include anything with direction is 'C'.
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