A body is at rest at x = 0. At t = 0, it starts moving in the positive x-direction with a constant a

Question

A body is at rest at x = 0. At t = 0, it starts moving in the positive x-direction with a constant acceleration. At the same instant another body passes through x = 0 moving in the positive xdirection with a constant speed. The position of the first body is given by x1(t) after time &#8242;t&#8242; and that of the second body by x2(t) after the same time interval. Which of the following graphs correctly describes (x1 - x2)as a function of time &#8242;t&#8242;?

Accepted Answer

x1(t) = at2 x2(t) = vt x1 - x2 = at2 - vt

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