Two trains, which are moving along different tracks opposite each other, are put on the
same track by mistake. Upon noticing the mistake, their drivers start slowing down the trains when they are 300 m apart. Graphs given below show their velocities as a function of time as the trains slow down. The separation between the trains after both have stopped is:
Text Solution
Verified by ExpertsThe correct answer is:
D
area under the curve of graph 1
area under the curve of graph 2
Final separation 
Initial separation -|Relative displacement|
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