A car in accelerated motion along the line ox moves from position x1 and x2 respectively on time t1 and t2 prove that the acceleration of a car is given by
a=2(x2t1-x1t2)/t1t2(t1-t2)
"x_2=vt_2+0.5at_2^2"
"v=\\frac{x_1}{t_1}-0.5at_1"
Thus,
"a=\\frac{2(x_2t_1-x_1t_2)}{t_1t_2(t_1-t_2)}"
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