The following questions refer to the graph shown below, which represents the velocity of an object as a function of time. v (m/s) 2 1 0 1 2 3 4 5 6 7 8 t (s) -1 -2 At which time is the object changing direction? 3 s 5 s 7 s 6 s The object is never changing direction during the time interval shown.
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An object changes direction when its velocity changes sign (from positive to negative or from negative to positive). Show more…
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