Traditional Culture Encyclopedia - Photography and portraiture - "Stroboscopic photography" is a commonly used experimental method to study the movement of objects. The camera is exposed at regular intervals to record the position of the objects.
"Stroboscopic photography" is a commonly used experimental method to study the movement of objects. The camera is exposed at regular intervals to record the position of the objects.
A ball travels the same distance in equal time, and A moves in a straight line, so A moves in a straight line at a constant speed.
B travels in different distances in equal time, so B moves in a straight line at variable speed.
So the answer is: A; A ball travels the same distance in the same time.
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