In the absence of an external force, a moving object will
A) stop immediately.
B) slow down and eventually come to a stop.
C) gradually speed up until it reaches its terminal velocity.
D) move with constant velocity in a straight line.
E) move with constant velocity in a circular orbit.
D
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How long after the second car starts does it overtake the first car? A) 12 s B) 19 s C) 21 s D) 24 s
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