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/s2, then B will catch A after how much time 

(1) 10 sec

(2) 20 sec

(3) 30 sec

(4) 35 sec

Concept Videos :-

#13-Graphical-Meaning-of-Instantaneous
#14-Solved-Examples-7
#12-Instantaneous-Velocity

Concept Questions :-

Instantaneous speed and instantaneous velocity
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