Question

Two cars P and Q start from a point at the same time in a straight line and their positions are represented by x_p \left( t \right) = at + bt^2

and x_Q \left( t \right) = ft - t^2 . At what time do the cars have the same velocity?

Answer 1

..hii dear. . actually ... I am not getting. u r questions can u paste it.s pic ..I know on it do differenciat. . and get velocity .. and .. so on . hence paste questions. pic dear