Physics-
General
Easy

Question

A train starts from station with an acceleration 1 m s to the power of negative 2 end exponent. A boy is 48 m behind the train with a constant velocity 10 m s to the power of negative 1 end exponent, the minimum time after which the boy will catch the train is

  1. 4.8 s  
  2. 8 s  
  3. 10 s  
  4. 12 s  

The correct answer is: 8 s

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