question_answer

A man travelling in a car with a maximum on stat speed of 20m/s watches the friend start off at a distance 100m ahead on a motor cycle with constant acceleration 'a'. The maximum value of 'a' for which the man in the car can reach his friend is

A) \[2\text{ }m/{{s}^{2}}\]          

B) \[\text{1 }m/{{s}^{2}}\]

C) \[4\text{ }m/{{s}^{2}}\]          

D) \[8\text{ }m{{s}^{-2}}\]