Motion in A Straight Line

Question: Two cars A and B at rest at same point initially. If A starts with uniform velocity of 40 m/sec and B starts in the same direction with constant acceleration of \[4\,m/{s^2}\], then B will catch A after how much time



1) 10 sec
2) 20 sec
3) 30 sec
4) 35 sec
Solution: Explanation: Explanation
non-uniform-motion

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