Recall that velocity is a vector-it has both magnitude and direction. Is velocity in m/s divided by time in S?īecause acceleration is velocity in m/s divided by time in s, the SI units for acceleration are m/s2, meters per second squared or meters per second per second, which literally means by how many meters per second the velocity changes every second. Such a time interval is called the elapsed time. That is, moving from one place to another happens in the course of time. The motion of an object takes time to occur. What is the elapsed time of an object from one point to another? S, equals, v, t, minus, one half, a, t, squared,s=vt−21at2 S, equals, u, t, plus, one half, a, t, squared,s=ut+21at2
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