Straight-Line Motion: Position, Velocity, Acceleration

AP Calculus AB· difficulty 2/5

t s s(t)

The graph shows position s(t)s(t). The particle is moving in the positive direction when:

  • A

    The graph is increasing

    check_circle
  • B

    s(t)>0s(t) > 0

  • C

    The graph is concave down

  • D

    The graph is concave up

Explanation

The particle moves in the positive direction when s(t)>0s'(t) > 0, i.e., when s(t)s(t) is increasing.

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