The position time graph of two cars A and B are straight lines making angles 30° and 60° with the time axis respectively. The ratio of velocities of A and B is
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velocity = dx/dt which is slope
so velocity of a = tan30 = 1/√3
velocity of b = tan 60 = √3
ratio = 1/3,3
so velocity of a = tan30 = 1/√3
velocity of b = tan 60 = √3
ratio = 1/3,3
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