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. . . . . . . . . . . . . . . . . . . . . . x. P. O. . . . . x. The velocity v of the particle is equal to the time derivative of the position coordinate x,. v =. dxdt. . and the acceleration a is obtained by differentiating v with respect to t,. a =. dvdt. . or. a =. d 2xdt 2. . we can also expr
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