A common graphical representation of motion along a straight line is the v vs. t

Question

A common graphical representation of motion along a straight line is the v vs. t graph, that is, the graph of (instantaneous) velocity as a function of time. In this graph, time is plotted on the horizontal axis and velocity on the vertical axis. Note that by definition, velocity and acceleration are vector quantities. In straight-line motion, however, these vectors have only a single nonzero component in the direction of motion. Thus, in this problem, we will call the velocity and the acceleration, even though they are really the components of the velocity and acceleration vectors in the direction of motion, respectively.

Explanation / Answer

Vf = Vi + at where Vf=final velocity and Vi= initial velocity and a= acceleration and t=time taken therefore , Vi = Vf - at

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