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Q. The graph given shows the positions of two cars, $A$ and $B$, as a function of time. The cars move along the $x$-axis on parallel but separate tracks, so that they can pass each other’s position without colliding. At which instant in time is car-$A$ overtaking the car-$B$?Physics Question Image

Motion in a Straight Line

Solution:

at $t = t_1$, positions of both cars is same and after this $x_A > x_B$. So $A$ overtakes $B$ at $t = t_1$.